List of cities in Illinois
Encyclopedia
This is a list of cities
City
A city is a relatively large and permanent settlement. Although there is no agreement on how a city is distinguished from a town within general English language meanings, many cities have a particular administrative, legal, or historical status based on local law.For example, in the U.S...

 in Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

, arranged in alphabetical order. An incorporated city is one of three types of municipalities in Illinois, in addition to towns and villages. For a list of the most populous places in Illinois, see: incorporated places over 100,000 population below.

A

  • Abingdon
    Abingdon, Illinois
    Abingdon is a city in Knox County, Illinois, 50 miles west of Peoria. It is part of the Galesburg Micropolitan Statistical Area. The city was first settled in 1828 and was incorporated in 1857. In 1894, the patent for the common spring-loaded mousetrap was given to William Hooker of Abingdon,...

  • Albion
    Albion, Illinois
    Albion is a city in Edwards County, Illinois, United States. The population was 1,933 at the 2000 census. It is the county seat of Edwards County. It is the home of the most pig farmers per square mile of all of the US counties.-Geography:...

  • Aledo
    Aledo, Illinois
    Aledo is a city in Mercer County, Illinois, United States. The population was 3,613 at the 2000 census. It is the county seat of Mercer County.-Geography:Aledo is located at ....

  • Altamont
    Altamont, Illinois
    Altamont is a city in Effingham County, Illinois, United States. The population was 2,283 at the 2000 census.-Geography:Altamont is located at . According to the United States Census Bureau, the city has a total area of , all of it land.-Demographics:As of the census of 2000, there were 2,283...

  • Alton
    Alton, Illinois
    Alton is a city on the Mississippi River in Madison County, Illinois, United States, about north of St. Louis, Missouri. The population was 27,865 at the 2010 census. It is a part of the Metro-East region of the Greater St. Louis metropolitan area in Southern Illinois...

  • Amboy
    Amboy, Illinois
    Amboy is a city in Lee County, Illinois, along the Green River. The population was 2,561 at the 2000 census. The chain of Carson Pirie Scott & Co. began in Amboy when Samuel Carson opened his first dry goods store there in 1854...

  • Anna
    Anna, Illinois
    Anna is a city in Union County, Illinois, United States. Located in Southern Illinois, the population was 5,136 at the 2000 census. The city is known for being tied to its close neighbor Jonesboro, together known as Anna-Jonesboro. Anna is well renowned for the Anna State Mental Hospital or the...

  • Arcola
    Arcola, Illinois
    Arcola is a city in Douglas County, Illinois, United States. The population was 2,916 at the 2010 census. The city was founded in 1855, when the Illinois Central Railroad was built through the county...


  • Ashley
    Ashley, Illinois
    Ashley is a city in Washington County, Illinois, United States. The population was 536 at the 2010 census.-Geography:Ashley is located at ....

  • Assumption
    Assumption, Illinois
    Assumption is a city in Christian County, Illinois, United States. The population was 1,168 at the 2010 census.-Geography:Assumption is located at .According to the United States Census Bureau, the city has a total area of , all of it land.-Demographics:...

  • Athens
    Athens, Illinois
    Athens is a city in Menard County, Illinois, United States. The population was 1,726 at the 2000 census, and 1,778 at a 2009 estimate. It is part of the Springfield, Illinois Metropolitan Statistical Area.-Geography:...

  • Atlanta
    Atlanta, Illinois
    Atlanta is a city in Logan County, Illinois, United States. The population was 1,649 at the 2000 census, and 1,635 at a 2009 estimate.-Geography:Atlanta is located at ....

  • Auburn
    Auburn, Illinois
    Auburn is a city in Sangamon County, Illinois, United States. The population was 4,317 at the 2000 census, and 4,445 in 2009. It is part of the Springfield, Illinois Metropolitan Statistical Area.-Geography:Auburn is located at ....

  • Aurora
    Aurora, Illinois
    Aurora is the second most populous city in the U.S. state of Illinois, and the 112th largest city in the United States. A suburb of Chicago, located west of the Loop, its population in 2010 was 197,899. Originally founded within Kane County, Aurora's city limits have expanded greatly over the past...

  • Ava
    Ava, Illinois
    Ava is a city in Jackson County, Illinois, United States. The population was 662 at the 2000 census.-Geography:Ava is located at ....



B

  • Barry
    Barry, Illinois
    Barry is a city in Pike County, Illinois, United States. The population was 1,368 at the 2000 census.-Geography:Barry is located at ....

  • Batavia
    Batavia, Illinois
    Batavia was founded in 1833, and is the oldest city in Kane County, Illinois, with a small portion in DuPage County. During the Industrial Revolution, Batavia became known as ‘The Windmill City’ for being the largest windmill producer of the time...

  • Beardstown
    Beardstown, Illinois
    Beardstown is a city in Cass County, Illinois, United States. The population was 6,123 at the 2010 census. The public schools are in Beardstown Community Unit School District 15.-Geography:Beardstown is located at...

  • Belleville
    Belleville, Illinois
    Belleville is a city in St. Clair County, Illinois, United States. As of the 2010 census, the city has a population of 44,478. It is the eighth-most populated city outside of the Chicago Metropolitan Area and the most populated city south of Springfield in the state of Illinois. It is the county...

  • Belvidere
    Belvidere, Illinois
    Belvidere is a city in Boone County, Illinois, United States. The population was 25,585 as of the 2010 census. It is the county seat of Boone County. Belvidere is part of the Rockford, Illinois Metropolitan Statistical Area.-Geography:...

  • Benld
    Benld, Illinois
    Benld is a city in Macoupin County, Illinois, United States. The population was 1,541 at the 2000 census. The name derives from founder Benjamin L. Dorsey ....

  • Benton
    Benton, Illinois
    Benton is a city in Franklin County, Illinois, United States. The population was 7,087 at the 2010 census. It is the county seat of Franklin County. The city is part of the Metro Lakeland area.- History :...

  • Berwyn
    Berwyn, Illinois
    Berwyn is a city in Cook County, Illinois, co-existent with Berwyn Township, which was formed in 1908 after breaking off from Cicero Township. As of the 2000 census, the city had a total population of 54,016.-Demographics:...

  • Bloomington
    Bloomington, Illinois
    Bloomington is a city in McLean County, Illinois, United States and the county seat. It is adjacent to Normal, Illinois, and is the more populous of the two principal municipalities of the Bloomington-Normal metropolitan area...


  • Blue Island
    Blue Island, Illinois
    Blue Island is a city in Cook County, Illinois. The population was 22,556 at the 2010 census. Blue Island was established in the 1830s as a way station for settlers traveling on the Vincennes Trace, and the settlement prospered because it was conveniently situated a day's journey outside of Chicago...

  • Braidwood
    Braidwood, Illinois
    eBraidwood is a city in Will County, Illinois, United States, approximately southwest of Chicago and south of Joliet. The population was 5,203 at the 2000 census....

  • Breese
    Breese, Illinois
    Breese is a large town in Clinton County, Illinois, United States. As of the 2010 census, the population was 4,221 which the majority are of German ancestry.-History:...

  • Bridgeport
    Bridgeport, Illinois
    Bridgeport is a city in Lawrence County, Illinois, United States. The population was 2,168 at the 2000 census.-Geography:Bridgeport is located att ....

  • Brookport
    Brookport, Illinois
    Brookport is a city in Massac County, Illinois, United States. The population was 1,054 at the 2000 census. It is part of the Paducah, KY-IL Micropolitan Statistical Area.-Geography:Brookport is located at ....

  • Bunker Hill
    Bunker Hill, Illinois
    Bunker Hill is a city in Macoupin County, Illinois, United States. The population was 1,801 at the 2000 census.-Settlement:The original inhabitants of the Bunker Hill area were members of the Peoria, Kickapoo, and Winnebago Indian tribes. As pioneers arrived in Macoupin County, the site of the...

  • Burbank
    Burbank, Illinois
    Burbank is a city in Cook County, Illinois, United States. The population was 27,902 at the 2000 census. It is located at the southwest edge of the city of Chicago; the Chicago city limit – specifically that of the Ashburn neighborhood – is in common with Burbank's eastern city limit...

  • Bushnell
    Bushnell, Illinois
    Bushnell is a city in McDonough County, Illinois, United States. The population was 3,221 at the 2000 census.-Geography:Bushnell is located at ....

  • Byron
    Byron, Illinois
    Byron is a city in Ogle County, Illinois, United States, probably best known as the location of the Byron Nuclear Generating Station, one of the last nuclear power plants commissioned in the United States. Byron is located in Byron Township, along the Rock River. The population was 3,753 at the...



C

  • Cairo
    Cairo, Illinois
    Cairo is the southernmost city in the U.S. state of Illinois. It is the county seat of Alexander County. Cairo is located at the confluence of the Mississippi and Ohio rivers. The rivers converge at Fort Defiance State Park, an American Civil War fort that was commanded by General Ulysses S. Grant...

  • Calumet City
    Calumet City, Illinois
    Calumet City is a city in Cook County, Illinois, United States. The population was 39,072 at the 2000 census. The ZIP code is 60409.Calumet City was founded in 1892 when the villages of Schrumville and Sobieski Park merged under the name of West Hammond, since it lies on the west side of the...

  • Canton
    Canton, Illinois
    Canton is the largest city in Fulton County, Illinois in the United States. The population was 18,288 as of the 2000 Census. The Canton Micropolitan Statistical Area covers all of Fulton County; it is in turn part of the wider Peoria-Canton, IL Combined Statistical Area .-Geography:Canton is...

  • Carbondale
    Carbondale, Illinois
    Carbondale is a city in Jackson County, in the state of Illinois, within the Southern Illinois region. It is located at the junction of Illinois Route 13 and U.S. Route 51, southeast of St. Louis, Missouri, on the northern edge of the Shawnee National Forest...

  • Carlinville
    Carlinville, Illinois
    Carlinville is a city in Macoupin County, Illinois, United States. As of the 2000 Census, the population was 5,685, and 5,912 at a 2009 estimate. It is the county seat of Macoupin County, and so it is an outlying part of the Metro-East region of the Greater St...

  • Carlyle
    Carlyle, Illinois
    Carlyle is a city in Clinton County, Illinois, United States. The population was 3,406 at the 2000 census. It is the county seat of Clinton County.Carlyle is located approximately 50 miles east of St...

  • Carmi
    Carmi, Illinois
    Carmi is a city in White County, Illinois, along the Little Wabash River. The population was 5,240 at the 2010 census. It is the county seat of White County.-Demographics:...

  • Carrollton
    Carrollton, Illinois
    Carrollton is a city in Greene County, Illinois, United States. The population was 2,605 at the 2000 census. It is the county seat of Greene County.-Geography:Carrollton is located at ....

  • Carterville
    Carterville, Illinois
    Carterville is a city in Williamson County, Illinois, in the United States, and is geographically situated between Carbondale, Illinois and Marion, Illinois. The city is located next to Crab Orchard National Wildlife Refuge. The Refuge's of land and water contain a wide diversity of flora and...

  • Carthage
    Carthage, Illinois
    Carthage is a city in Hancock County, Illinois, United States. The population was 2,725 at the 2000 census. It is the county seat of Hancock County. Carthage is most famous for being the site of the murder of Joseph Smith in 1844.- History :...

  • Casey
    Casey, Illinois
    Casey is a city in Clark and Cumberland counties in the U.S. state of Illinois. The population was 2,942 at the 2000 census.The Cumberland County portion of Casey is part of the Charleston–Mattoon Micropolitan Statistical Area.-Geography:...

  • Centralia
    Centralia, Illinois
    Centralia is a town located in Marion, Washington, Clinton, and Jefferson Counties in the U.S. state of Illinois. The population was 13,032 at the 2010 census. The town was founded because it was the point where the two original branches of the Illinois Central Railroad, built in 1853, converged....

  • Centreville
    Centreville, Illinois
    Centreville is a city in St. Clair County, Illinois, United States of America. The population was 5,951 at the 2000 census.-Geography:Centreville is located at ....

  • Champaign
    Champaign, Illinois
    Champaign is a city in Champaign County, Illinois, in the United States. The city is located south of Chicago, west of Indianapolis, Indiana, and 178 miles northeast of St. Louis, Missouri. Though surrounded by farm communities, Champaign is notable for sharing the campus of the University of...

  • Charleston
    Charleston, Illinois
    Charleston is a city in and the county seat of Coles County, Illinois, United States. The population was 21,838 as of the 2010 census. The city is home to Eastern Illinois University and has close ties with its neighbor Mattoon, Illinois...

  • Chenoa
    Chenoa, Illinois
    Chenoa is a city in McLean County, Illinois, USA. The population was 1,785 at the 2010 census. Located at the intersections of Interstate 55, Historic Route 66, and U.S. Route 24.Founded in 1854 by Mathew T. Scott, Chenoa was created to provide a retail and trade center for his farm tenants as well...

  • Chester
    Chester, Illinois
    Chester is a city located on the bluffs of the Mississippi River Valley in Randolph County, Illinois, United States. The population was 8,400 at the 2000 census. It is the county seat of Randolph County and is located south of St. Louis, Missouri.-History:...


  • Chicago
    Chicago
    Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

  • Chicago Heights
    Chicago Heights, Illinois
    Chicago Heights is a city in Cook County, Illinois, United States. The population was 31,373 at the 2005 census. Chicago Heights is nicknamed 'Crossroads of the Nation'.-History:...

  • Chillicothe
    Chillicothe, Illinois
    Chillicothe is a city on the Illinois River in Peoria County, Illinois. The population was 5,996 at the 2000 census. Chillicothe is just north of the city of Peoria and is part of the Peoria, Illinois Metropolitan Statistical Area.- Geography :...

  • Chrisman
    Chrisman, Illinois
    Chrisman is a city in Ross Township, Edgar County, Illinois, United States. The population was 1,343 at the 2010 census.-Geography:Chrisman is located at . It is on U.S. Route 150 less than a mile north of its intersection with U.S. Route 36...

  • Christopher
    Christopher, Illinois
    Christopher is a city in Franklin County, Illinois, United States. The population was 2,382 at the 2010 census. It was the site of an early-morning railroad freight train derailment on Monday, December 4, 2006, involving two locomotives and 21 cars of an 83-car Union Pacific train; an unknown...

  • Clinton
    Clinton, Illinois
    Clinton is the largest city in DeWitt County, Illinois, United States. The population was 7,225 at the 2010 census. It is the county seat of DeWitt County.The city and the county are named for DeWitt Clinton, governor of New York, 1817-1823...

  • Coffeen
    Coffeen, Illinois
    Coffeen is a city in Montgomery County, Illinois, United States. The population was 709 at the 2000 census.-Geography:Coffeen is located at ....

  • Colchester
    Colchester, Illinois
    Colchester is a city in McDonough County, Illinois, United States. The population was 1,493 at the 2000 census. The city is named after the provincial town of Colchester, England.-Geography:Colchester is located at ....

  • Collinsville
    Collinsville, Illinois
    Collinsville is a city located mainly in Madison County, and partially in St. Clair County, both in Illinois. As of the 2010 census, the city had a population of 26,016. Collinsville is approximately 12 miles from St. Louis, Missouri and is considered part of that city's Metro-East area...

  • Colona
    Colona, Illinois
    Colona is a city in Henry County, Illinois, along the Green River. It is part of the Quad Cities metropolitan area. The population was 5,099 at the 2010 census, down from 5,173 at the 2000 census....

  • Columbia
    Columbia, Illinois
    Columbia is a city in Monroe and St. Clair County in the U.S. state of Illinois, about south of St. Louis, Missouri. The population was 7,922 at the 2000 census.-History:...

  • Country Club Hills
    Country Club Hills, Illinois
    Country Club Hills is a city in Cook County, Illinois, United States. The population was 16,169 at the 2000 census.-Geography:Country Club Hills is located at ....

  • Countryside
    Countryside, Illinois
    Countryside is a city in Cook County, Illinois, United States. The population was 5,991 at the 2000 census.-Geography:Countryside is located at ....

  • Creal Springs
    Creal Springs, Illinois
    Creal Springs is a city in Williamson County, Illinois, United States. The population was 702 at the 2000 census.-Geography:Creal Springs is located at ....

  • Crest Hill
    Crest Hill, Illinois
    Crest Hill is a city in Will County, Illinois, United States. The population was 13,329 at the 2000 census and the 2010 census population estimate was 20,867.-Geography:Crest Hill is located at...

  • Crystal Lake
    Crystal Lake, Illinois
    Crystal Lake is a city located in southeastern McHenry County in northeastern Illinois, in the Chicago suburbs. It is named after Crystal Lake, a lake located west-southwest of downtown. Crystal Lake is also a suburb of the city of Chicago. The population was 38,000 at the 2000 census, but as of...

  • Cuba
    Cuba, Illinois
    Cuba is a city in Fulton County, Illinois, United States. The population was 1,418 at the 2000 census.-Geography:Cuba is located at .According to the United States Census Bureau, the city has a total area of , all of it land....



D

  • Dallas City
    Dallas City, Illinois
    Dallas City is a city in Hancock and Henderson counties in the U.S. state of Illinois. The population was 1,055 at the 2000 census.The Henderson County portion of Dallas City is part of the Burlington, IA–IL Micropolitan Statistical Area.-Geography:...

  • Danville
    Danville, Illinois
    Danville is a city in Vermilion County, Illinois, United States. It is the principal city of the'Danville, Illinois Metropolitan Statistical Area' which encompasses all of Danville and Vermilion County. As of the 2010 census, the city had a total population of 32,467. It is the county seat of...

  • Darien
    Darien, Illinois
    Darien is a city in DuPage County, Illinois, USA. The population was 22,086 at the 2010 census.A suburb of Chicago, Darien was named after a town in Connecticut.-Popular culture:...

  • Decatur
    Decatur, Illinois
    Decatur is the largest city and the county seat of Macon County in the U.S. state of Illinois. The city, sometimes called "the Soybean Capital of the World", was founded in 1823 and is located along the Sangamon River and Lake Decatur in Central Illinois. In 2000 the city population was 81,500,...

  • DeKalb
    DeKalb, Illinois
    DeKalb is a city in DeKalb County, Illinois, United States. The population was 43,862 at the 2010 census, up from 39,018 at the 2000 census. The city is named after decorated German war hero Johann De Kalb, who died during the American Revolutionary War....


  • Delavan
    Delavan, Illinois
    Delavan is a city in Tazewell County, Illinois, United States. The population was 1,825 at the 2000 census. It is part of the Peoria, Illinois Metropolitan Statistical Area.-Government:...

  • Des Plaines
    Des Plaines, Illinois
    Des Plaines is a city in Cook County, Illinois, United States. It has adopted the official nickname of "City of Destiny." As of the 2000 census, the city had a total population of 58,720. It is a suburb of Chicago, and is next to O'Hare International Airport...

  • Dixon
    Dixon, Illinois
    Dixon is a city in Lee County, Illinois, United States. The population was 15,733 as of the 2010 census, down from 15,941 at the 2000 census. Named for its founder, John Dixon , it is the county seat of Lee County. Located on the Rock River, Dixon was the boyhood home of former U.S...

  • Du Quoin
    Du Quoin, Illinois
    Du Quoin is a city in Perry County, Illinois, United States. The population was 6,448 at the 2000 census.-Geography:Du Quoin is located at ....



E

  • Earlville
    Earlville, Illinois
    Earlville is a city in LaSalle County, Illinois, United States. The population was 1,822 as of the 2008 census estimate. It is part of the Ottawa–Streator Micropolitan Statistical Area.-Geography:Earlville is located at ....

  • East Dubuque
    East Dubuque, Illinois
    East Dubuque is a city in Jo Daviess County, Illinois, United States. The population was 1,704 at the 2010 census, down from 1,995 at the 2000 census. East Dubuque is located alongside the Mississippi River. Across the river is the city of Dubuque, Iowa. About three miles north of the city is the...

  • East Moline
    East Moline, Illinois
    East Moline is a city in Rock Island County, Illinois, United States. The population was 20,333 at the 2000 census. East Moline is one of the five Quad Cities,, along with the cities of Rock Island, Moline, and the Iowa cities of Davenport and Bettendorf. The Quad Cities has a population of 379,690...

  • East Peoria
    East Peoria, Illinois
    East Peoria is a city in Tazewell County, Illinois, United States. The population was 23,402 at the 2010 census. East Peoria is part of the Peoria, Illinois Metropolitan Statistical Area, located across the Illinois River from downtown Peoria. It is home to many Caterpillar Inc. facilities...

  • East St. Louis
    East St. Louis, Illinois
    East St. Louis is a city located in St. Clair County, Illinois, USA, directly across the Mississippi River from St. Louis, Missouri in the Metro-East region of Southern Illinois. As of the 2010 census, the city had a total population of 27,006, less than one-third of its peak of 82,366 in 1950...

  • Edwardsville
    Edwardsville, Illinois
    Edwardsville is a city in Madison County, Illinois, United States. As of the 2010 census, the city population was 24,293. It is the county seat of Madison County and is the third oldest city in the State of Illinois. The city was named in honor of Ninian Edwards, then Governor of the Illinois...

  • Effingham
    Effingham, Illinois
    Effingham is a city in Effingham County, Illinois, United States. The population was 12,384 at the 2000 census. It is the county seat of Effingham County....


  • El Paso
    El Paso, Illinois
    El Paso is a city in Woodford and McLean Counties in the U.S. state of Illinois. The population was 2,695 at the 2000 census, and 2,870 in 2009...

  • Eldorado
    Eldorado, Illinois
    Eldorado is a city in Saline County, Illinois, United States. The population was 4,122 at the 2010 census, with a 1925 peak of 8,000. Although the city's name is spelled as if it were Spanish, the name was originally "Elder-Reado" -- a combination of the last names of the town's two founders,...

  • Elgin
    Elgin, Illinois
    Elgin is a city in northern Illinois located roughly northwest of Chicago on the Fox River. Most of Elgin lies within Kane County, Illinois, with a portion in Cook County, Illinois...

  • Elmhurst
    Elmhurst, Illinois
    Elmhurst is a suburb of Chicago in DuPage and Cook Counties, Illinois. The population is 46,013 as of the 2008 US Census population estimate.-History:...

  • Elmwood
    Elmwood, Illinois
    Elmwood is a city in Peoria County, Illinois, United States. The population was 1,945 at the 2000 census. Elmwood is part of the Peoria, Illinois Metropolitan Statistical Area...

  • Eureka
    Eureka, Illinois
    Eureka is a city in Woodford County, Illinois, United States. The population was 5,295 at the 2010 census. It is the county seat of Woodford County. The city was founded in the year 1855. Eureka is part of the Peoria, Illinois Metropolitan Statistical Area....

  • Evanston
    Evanston, Illinois
    Evanston is a suburban municipality in Cook County, Illinois 12 miles north of downtown Chicago, bordering Chicago to the south, Skokie to the west, and Wilmette to the north, with an estimated population of 74,360 as of 2003. It is one of the North Shore communities that adjoin Lake Michigan...



F

  • Fairbury
    Fairbury, Illinois
    Fairbury is a city in Livingston County, Illinois, United States. The population was 3,968 at the 2000 census.-We Hear You America:In November 2010, the fundraising committee for Dominy Memorial Library began encouraging Fairbury citizens to visit the Reader's Digest web site and "Cheer" for the...

  • Fairfield
    Fairfield, Illinois
    Fairfield is the county seat of Wayne County, Illinois, United States, the site of Frontier Community College, , , and Airtex; an auto parts manufacturing facility...

  • Fairview Heights
    Fairview Heights, Illinois
    Fairview Heights is a city in St. Clair County, Illinois, United States. The population was 17,078 at the 2010 census. Fairview Heights is a dominant shopping center for Southwestern Illinois and includes numerous shopping plazas and the St...

  • Farmer City
    Farmer City, Illinois
    Farmer City is a city in DeWitt County, Illinois, United States. The population was 2,037 at the 2010 census.Farmer City is part of Blue Ridge Community Unit School District 18 sharing facilities with nearby Mansfield and Bellflower, Illinois. Farmer City facilities include the District Unit...


  • Farmington
    Farmington, Illinois
    Farmington is a city in the northeast corner of Fulton County, Illinois, United States. It is north of Canton and Lewistown, west of Peoria and Bloomington, and east of Galesburg and Macomb. The population was 2,601 at the 2000 census. The public school system is Farmington Central Community Unit...

  • Flora
    Flora, Illinois
    Flora is a city in Clay County, Illinois, United States. The population was 5,086 at the 2000 census.-Geography:Flora is located at .According to the United States Census Bureau, the city has a total area of , all land....

  • Freeport
    Freeport, Illinois
    Freeport is a city in and the county seat of Stephenson County, Illinois, United States. The population was 26,443 at the 2000 census. The mayor of Freeport is George W...

  • Fulton
    Fulton, Illinois
    Fulton is a city in Whiteside County, Illinois, United States. The population was 3,481 at the 2010 census, down from 3,881 at the 2000 census. Fulton is located across the Mississippi River from Clinton, Iowa.-Geography:...



G

  • Galena
    Galena, Illinois
    Galena is the county seat of, and largest city in, Jo Daviess County, Illinois in the United States, with a population of 3,429 in 2010. The city is a popular tourist destination known for its history, historical architecture, and ski and golf resorts. Galena was the residence of Ulysses S...

  • Galesburg
    Galesburg, Illinois
    Galesburg is a city in Knox County, Illinois, in the United States. As of the 2010 census, the city population was 32,195. It is the county seat of Knox County....

  • Galva
    Galva, Illinois
    Galva is a city in Henry County, Illinois, United States. The population was 2,589 at the 2010 census, down from 2,758 at the 2000 census.-Information:...

  • Geneseo
    Geneseo, Illinois
    Geneseo is a city in Henry County, Illinois, United States. The population was 6,586 at the 2010 census, up from 6,571 at the 2000 census. Geneseo is located 20 miles east of The Quad Cities and Geneseo is part of the Quad Cities Metro Area....

  • Geneva
    Geneva, Illinois
    Geneva is the county seat of Kane County, Illinois. It is located on the western fringe of the Chicago suburbs. As of the 2010 census, the city had a total population of 26,652. Geneva is part of a tri-city area, along with St. Charles and Batavia...

  • Genoa
    Genoa, Illinois
    Genoa is a city in the north-east corner of DeKalb County, Illinois in the United States. It is located on the historic Galena-Chicago stagecoach route. At the 2010 census the city had a population of 5,193, up from 4,169 at the 2000 census.-History:...

  • Georgetown
    Georgetown, Illinois
    Georgetown is a city in Vermilion County, Illinois, United States. It is part of the 'Danville, Illinois Metropolitan Statistical Area'. The population was 3,628 at the 2000 census, and 3,412 as of an estimate in 2009.-History:...

  • Gibson City
    Gibson City, Illinois
    Gibson City is a city in Ford County, Illinois, United States. The population was 3,407 at the 2010 census.-History:The site of Gibson City was purchased and platted by Jonathan B. Lott in 1869. In 1870, Lott built a home and a post office there, and several stores and an a grain elevator were...

  • Gillespie
    Gillespie, Illinois
    Gillespie is a city in Macoupin County, Illinois, United States. The population was 3,412 at the 2000 census.-Geography:Gillespie is located at ....

  • Gilman
    Gilman, Illinois
    Gilman is a city in Douglas Township, Iroquois County, Illinois, United States. The population was 1,793 at the 2000 census, and 1,677 in 2009.-Geography:...


  • Girard
    Girard, Illinois
    Girard is a city in Macoupin County, Illinois, United States. The population was 2,245 at the 2000 census, and 2,152 at a 2009 estimate.-Geography:Girard is located at ....

  • Golconda
    Golconda, Illinois
    Golconda is a city in, and the county seat of, Pope County, located along the Ohio River. The population was 726 at the 2000 census. The entire city has been designated a state Historic District.-Geography:Golconda is located at ....

  • Grafton
    Grafton, Illinois
    Grafton is the oldest city in Jersey County, Illinois, United States. It is located near the confluence of the Illinois and Mississippi Rivers. As of the 2010 U.S. census, the city had a total population of 674. Prior to the Great Flood of 1993, Grafton had enjoyed a stable population of nearly...

  • Grand Tower
    Grand Tower, Illinois
    Grand Tower is a city in Jackson County, Illinois, United States. The population was 624 at the 2000 census. The town gets its name from Tower Rock, a landmark island in the Mississippi River.-Geography:Grand Tower is located at ....

  • Granite City
    Granite City, Illinois
    Granite City is a city in Madison County, Illinois, United States, part of the Greater St. Louis metropolitan area. At the 2010 census, the population was 29,849, making it the third largest city in the Metro-East and Southern Illinois, behind Alton and Belleville...

  • Grayville
    Grayville, Illinois
    Grayville is a city in Edwards and White counties in Illinois. The population was 1,725 at the 2000 census. Grayville is the birthplace of naval hero James Meredith Helm.-Geography:Grayville is located at ....

  • Greenfield
    Greenfield, Illinois
    Greenfield is a city in Greene County, Illinois, United States. The population was 1,179 at the 2000 census.-Geography:Greenfield is located at ....

  • Greenville
    Greenville, Illinois
    Greenville is a city in Bond County, Illinois, United States, east of St. Louis. The estimated population as of July 2009 is 7,284. The population was 6,955 at the 2000 census. It is the county seat of Bond County....

  • Griggsville
    Griggsville, Illinois
    Griggsville is a city in Pike County, Illinois, United States. The population was 1,258 at the 2000 census.-Geography:Griggsville is located at ....



H

  • Hamilton
    Hamilton, Illinois
    Hamilton is a city in Hancock County, Illinois, United States. The population was 3,029 at the 2000 census. The city is located directly across the Mississippi River from Keokuk, Iowa. Hamilton is the largest city in Hancock County.-About Hamilton:...

  • Harrisburg
    Harrisburg, Illinois
    Harrisburg is a city and township in Saline County, Illinois, United States. It is located about southwest of Evansville, Indiana, southeast of St. Louis, Missouri. The 2010 population was 9,017, with a township population of 10,790. It is the county seat of Saline County...

  • Harvard
    Harvard, Illinois
    Harvard is a city located in McHenry County in the northeastern corner of the U.S. state of Illinois, approximately south of the Illinois/Wisconsin border. The population was 7,996 at the 2000 census...

  • Harvey
    Harvey, Illinois
    Harvey is a city in Cook County, Illinois, United States, near Chicago. The population was 30,000 at the 2000 census.Harvey is bordered by Dixmoor, Riverdale and Blue Island to the north, Posen and Markham to the west, South Holland, Phoenix, and Dolton to the east, and East Hazel Crest to the...

  • Havana
    Havana, Illinois
    Havana is a city in Mason County, Illinois, United States. The population was 3,577 at the 2000 census, and 3,260 at a 2009 estimate. It is the county seat of Mason County.-Geography:...

  • Henry
    Henry, Illinois
    Henry is a city in Marshall County, Illinois, United States. The population was 2,540 at the 2000 census. It is part of the Peoria, Illinois Metropolitan Statistical Area.-Geography:Henry is located at ....

  • Herrin
    Herrin, Illinois
    Herrin is a city in Williamson County, Illinois, United States. The population was 12,501 at the 2010 census. It is home to Country Musicstar David Lee Murphy, the hometown of baseball's Cleveland shortstop Ray Chapman, and the hometown of San Diego State University men's basketball coach Steve...

  • Hickory Hills
    Hickory Hills, Illinois
    Hickory Hills is a city in Cook County, Illinois, United States. The population was 13,926 at the 2000 census.-Geography:Hickory Hills is located at ....


  • Highland
    Highland, Illinois
    Highland is a city in Madison County, Illinois, United States. The population was 9,433 at the 2010 census. Highland began as a Swiss settlement and derived its name from later German immigrants.Highland is a sister city of Sursee in Switzerland....

  • Highland Park
    Highland Park, Illinois
    Highland Park is a suburban municipality in Lake County, Illinois, United States, about north of downtown Chicago. As of 2009, the population is 33,492. Highland Park is one of several municipalities located on the North Shore of the Chicago Metropolitan Area.-Overview:Highland Park was founded...

  • Highwood
    Highwood, Illinois
    Highwood is a city in the Moraine Township of Lake County, Illinois, United States. The population was 4,143 at the 2000 census. Highwood is a neighbor to Highland Park and the two share a weekly newspaper and school district. An attempt was made in 2005 to convert Highwood to a home rule city, but...

  • Hillsboro
    Hillsboro, Illinois
    Hillsboro is a city in Montgomery County, Illinois, United States. The population was 4,359 at the 2000 census, and 6,106 at a 2009 estimate. It is the county seat of Montgomery County.-History:...

  • Hometown
    Hometown, Illinois
    Hometown is a city in Cook County, Illinois, United States. The population was 4,467 at the 2000 census.-Geography:Hometown is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

  • Hoopeston
    Hoopeston, Illinois
    Hoopeston is a city in Grant Township, Vermilion County, Illinois, United States. It is part of the Danville, Illinois, Metropolitan Statistical Area. The population was 5,965 at the 2000 census, and 5,602 in 2009.-History:Hoopeston was laid out in 1871...

  • Hurst
    Hurst, Illinois
    Hurst is a city in Williamson County, Illinois, United States. The population was 805 at the 2000 census.-Geography:Hurst is located at .According to the United States Census Bureau, the city has a total area of , all of it land....



J

  • Jacksonville
    Jacksonville, Illinois
    Jacksonville is a city in Morgan County, Illinois, United States. The population was 18,940 at the 2000 census. It is the county seat of Morgan County....

  • Jerseyville
    Jerseyville, Illinois
    Jerseyville is a city in Jersey County, Illinois, United States. As of the 2010 U.S. census, the city had a total population of 8,465. It is the county seat of Jersey County, and is also the largest city in the county. The city's current mayor is Richard Perdun.Jerseyville is a part of Southern...

  • Johnston City
    Johnston City, Illinois
    Johnston City is a city in Williamson County, Illinois, United States. The population was 3,557 at the 2000 census.-Geography:Johnston City is located at ....


  • Joliet
    Joliet, Illinois
    Joliet is a city in Will and Kendall Counties in the U.S. state of Illinois, located southwest of Chicago. It is the county seat of Will County. As of the 2010 census, the city was the fourth-most populated in Illinois, with a population of 147,433. It continues to be Illinois' fastest growing...

  • Jonesboro
    Jonesboro, Illinois
    Jonesboro is a city in Union County, Illinois, United States. The population was 1,853 at the 2000 census. It is the county seat of Union County, and was the location of the third of the Lincoln-Douglas debates, on 15 September 1858.-Geography:...



K

  • Kankakee
    Kankakee, Illinois
    Kankakee is a city in Kankakee County, Illinois, USA. As of the 2000 census, the city population was 25,561, and 26,840 as of a 2009 estimate. It is the county seat of Kankakee County...

  • Keithsburg
    Keithsburg, Illinois
    Keithsburg is a city in Mercer County, Illinois, United States. The population was 714 at the 2000 census.-Geography:Keithsburg is located at ....

  • Kewanee
    Kewanee, Illinois
    Kewanee is a city in Henry County, Illinois, United States. "Kewanee" is the Winnebago word for prairie chicken, which lekked there. The population was 12,916 at the 2010 census, down from 12,944 at the 2000 census.-Geography:...


  • Kinmundy
    Kinmundy, Illinois
    Kinmundy is a city in Marion County, Illinois, United States. The population was 892 at the 2000 census.-Geography:Kinmundy is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

  • Knoxville
    Knoxville, Illinois
    Knoxville is a city in Knox County, Illinois, United States. The population was 3,183 at the 2000 census. It is part of the Galesburg Micropolitan Statistical Area.-Description:Knoxville is located just southeast of the City of Galesburg...



L

  • La Harpe
    La Harpe, Illinois
    La Harpe is a city in Hancock County, Illinois, United States. The population was 1,385 at the 2000 census.-Geography:La Harpe is located at , along the South Branch La Moine River....

  • LaSalle
  • Lacon
    Lacon, Illinois
    Lacon is a city in, and the county seat of, Marshall County, Illinois, United States. It is part of the Peoria, Illinois Metropolitan Statistical Area. The population was 1,979 at the 2000 census.-Geography:Lacon is located at ....

  • Lake Forest
    Lake Forest, Illinois
    Lake Forest is an affluent city located in Lake County, Illinois, United States. The city is south of Waukegan along the shore of Lake Michigan, and is a part of the Chicago metropolitan area and the North Shore. Lake Forest was founded around Lake Forest College and was laid out as a town in...

  • Lanark
    Lanark, Illinois
    Lanark is a city in Carroll County, Illinois, United States. The population was 1,457 at the 2010 census, down from 1,584 at the 2000 census.-History:...

  • Lawrenceville
    Lawrenceville, Illinois
    Lawrenceville is a city in Lawrence County, Illinois, along the Embarras River. The population was 4,745 at the 2000 census. It is the county seat of Lawrence County...

  • Le Roy
    Le Roy, Illinois
    Le Roy is a city in McLean County, Illinois, United States. The population was 3,560 at the 2010 census.-Geography:Le Roy is located at ....

  • Lebanon
    Lebanon, Illinois
    Lebanon is a city in St. Clair County, Illinois, United States. The population was 3,523 at the 2000 census. Like many other places in "Little Egypt" or Southern Illinois, Lebanon was named after the Middle Eastern country of the same name. It is a part of the Metro-East region of the Greater St...


  • Leland Grove
    Leland Grove, Illinois
    Leland Grove is a city in Sangamon County, Illinois adjacent to Springfield. It is part of the Springfield Metropolitan Statistical Area. The population was 1,592 at the 2000 census.-Geography:Leland Grove is located at ....

  • Lewistown
    Lewistown, Illinois
    Lewistown is a city in Fulton County, Illinois, United States. The population was 2,522 at the 2000 census. It is the county seat of Fulton County. Located in central Illinois, it is southwest of Peoria. It is the source of Spoon River Anthology by Edgar Lee Masters, who lived there...

  • Lexington
    Lexington, Illinois
    Lexington is a city in McLean County, Illinois, United States. The population was 2,060 at the 2010 census. There are two theories of its name. One says it was named for the Battle of Lexington, where General Gridley's father fought...

  • Lincoln
    Lincoln, Illinois
    Lincoln is a city in Logan County, Illinois, United States. It is the only town in the United States that was named for Abraham Lincoln before he became president; he practiced law there from 1847 to 1859. First settled in the 1830s, Lincoln is home to three colleges and two prisons. The three...

  • Litchfield
    Litchfield, Illinois
    Litchfield is a city in Montgomery County, Illinois, United States. The population was 6,815 at the 2000 census, and 6,588 in 2009. It is located in south central Illinois, south of Springfield and on the northern edge of the Greater St. Louis Metro-East area.-Attractions:The Ariston Cafe is one of...

  • Lockport
    Lockport, Illinois
    Lockport is a city in Will County, Illinois, United States, that incorporated in 1853. Lockport is located in northeastern Illinois, 30 miles southwest of Chicago, and north of Joliet, at locks connecting Chicago Sanitary and Ship Canal with the Des Plaines River via the Lockport...

  • Loves Park
    Loves Park, Illinois
    Loves Park is a city in Winnebago County, Illinois, United States. In recent years, the city spread across the eastern Winnebago county line and now reaches into Boone County, Illinois...



M

  • Macomb
    Macomb, Illinois
    Macomb is a city in and the county seat of McDonough County, Illinois, United States. It is situated in western Illinois southwest of Galesburg. The population was 18,588 at the 2000 census. Macomb is the home of Western Illinois University.- Geography :...

  • Macon
    Macon, Illinois
    Macon is a city in Macon County, Illinois, United States whose population was 1,213 at the 2000 census, and 1,128 at a 2009 estimate. It is included in the Decatur, Illinois Metropolitan Statistical Area.-Geography:...

  • Madison
    Madison, Illinois
    Madison is a city in Madison County and partially in St. Clair County, Illinois, United States. The population was 4,545 at the 2000 census. It is home to Gateway International Raceway and the first Bulgarian Orthodox church in the United States.-Geography:...

  • Marengo
    Marengo, Illinois
    Marengo is a city in McHenry County, Illinois, United States. The population was 6,355 at the 2000 census.- Geography :Marengo is located at .According to the United States Census Bureau, the city has a total area of , all of it land.-Major Streets:...

  • Marion
    Marion, Illinois
    The city of Marion is the county seat of Williamson County, Illinois. The 2010 census counted 17,193 residents, making Marion the 25th most populated city outside of the Chicago Metropolitan Area, in Illinois, and the second most populous city in Southern Illinois, outside of the Metro-East, behind...

  • Markham
    Markham, Illinois
    Markham is a city in Cook County, Illinois, United States. The population was 12,620 at the 2000 census.-Geography:Markham is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

  • Maroa
    Maroa, Illinois
    Maroa is a city in Macon County, Illinois, United States whose population was 1,654 at the 2000 census, and 1,565 at a 2009 estimate. It is included in the Decatur, Illinois Metropolitan Statistical Area.-Geography:...

  • Marquette Heights
  • Marseilles
    Marseilles, Illinois
    Marseilles is a city in LaSalle County, Illinois, United States. The population was 4,655 at the 2000 census. It is part of the Ottawa–Streator Micropolitan Statistical Area.-History:...

  • Marshall
    Marshall, Illinois
    Marshall is a city in Clark County, Illinois, United States, locatedabout west of Terre Haute, Indiana. The population was 3,771 at the 2000 census...

  • Martinsville
    Martinsville, Illinois
    Martinsville is a city in Clark County, Illinois, United States. The population was 1,225 at the 2000 census.-Geography:Martinsville is located at ....

  • Mascoutah
    Mascoutah, Illinois
    Mascoutah is a small town in St. Clair County, Illinois, United States. The population was 7,483 at the 2010 census.-Geography:Mascoutah is located at ....

  • Mason City
    Mason City, Illinois
    Mason City is a city in Mason County, Illinois, United States. The population was 2,558 at the 2000 census, and 2,324 at a 2009 estimate.-Geography:Mason City is located at ....

  • Mattoon
    Mattoon, Illinois
    Mattoon is a city in Coles County, Illinois, United States. The population was 18,555 as of the 2010 census. It is a principal city of the Charleston–Mattoon Micropolitan Statistical Area.Mattoon was the site of the "Mad Gasser" attacks of the 1940s....

  • McHenry
    McHenry, Illinois
    McHenry is a city in McHenry County, Illinois, United States. In 2005, its population was estimated to be 24,631. McHenry was at one time the county seat of McHenry County...

  • McLeansboro
    McLeansboro, Illinois
    McLeansboro is a city in Hamilton County, Illinois, United States. The population was 2,883 at the 2010 census. It is the county seat of Hamilton County. Located in Southern Illinois, the town was named for Dr. William B. McLean, who donated the land for its founding...

  • Mendota
    Mendota, Illinois
    Mendota is a city located in north-central Illinois in LaSalle County, Illinois, United States. The city has 7,272 residents, and is the fifth largest city in LaSalle County, though recent estimates have shown that the population has decreased to 6,995 residents. It is part of the...


  • Metropolis
    Metropolis, Illinois
    Metropolis is a city located along the Ohio River in Massac County, Illinois, in the United States. As of the 2000 census, the city population was 6,482...

  • Minonk
    Minonk, Illinois
    Minonk is a city in Woodford County, Illinois, United States. The population was 2,168 at the 2000 census. It is part of the Peoria, Illinois Metropolitan Statistical Area.-Geography:Minonk is located at ....

  • Moline
    Moline, Illinois
    Moline is a city located in Rock Island County, Illinois, United States, with a population of 45,792 in 2010. Moline is one of the Quad Cities, along with neighboring East Moline and Rock Island in Illinois and the cities of Davenport and Bettendorf in Iowa. The Quad Cities has a population of...

  • Momence
    Momence, Illinois
    Momence is a city in Kankakee County, Illinois, United States. The population was 3,171 at the 2000 census, and 3,063 in 2009. It is part of the Kankakee–Bradley Metropolitan Statistical Area and the Chicago–Naperville–Michigan City, IL-IN-WI Combined Statistical...

  • Monmouth
    Monmouth, Illinois
    Monmouth is a city in and the county seat of Warren County in the U.S. state of Illinois. It is the home of Monmouth College and contains Monmouth Park, Harmon Park, North Park, Warfield Park, West Park, South Park, Garwood Park, Buster White Park and the Citizens Lake & Campground. It is the host...

  • Monticello
    Monticello, Illinois
    Monticello is a city in Piatt County, Illinois, United States. The population was 5,138 at the 2000 census, and 5,374 at a 2009 estimate. It is the county seat of Piatt County.-Geography:Monticello is located at ....

  • Morris
    Morris, Illinois
    Morris is a city in Grundy County, Illinois, United States. The population was 13,636 at the 2010 census.Morris is home to the Dresden Nuclear Power Plant, which provides a substantial portion of the electricity supply for the Chicago metropolitan area...

  • Morrison
    Morrison, Illinois
    Morrison is a city in Whiteside County, Illinois, United States. The population was 4,307 at the 2010 census. It is the county seat of Whiteside County. One of the town founders was Lyman Johnson....

  • Mound City
    Mound City, Illinois
    Mound City is a city located along the Ohio River in Pulaski County, Illinois, in the United States. As of the 2000 census, the city population was 692. It is the county seat of Pulaski County.-Geography:Mound City is located at ....

  • Mounds
    Mounds, Illinois
    Mounds is a city in Pulaski County, Illinois, United States. The population was 1,117 in the 2000 census.-Geography:Mounds is located at .According to the United States Census Bureau, the city has a total area of , all land....

  • Mount Carmel
    Mount Carmel, Illinois
    Mount Carmel is a city in and the county seat of Wabash County, Illinois, United States. At the time of the 2000 census, the population was 7,982, while the next largest town in Wabash County is Allendale, population 528. Located at the confluence of the Wabash, Patoka, and White Rivers, Mount...

  • Mount Carroll
    Mount Carroll, Illinois
    Mount Carroll is a city in Carroll County, Illinois, United States-History:Shimer College was established in Mt. Carroll in 1853, but mounting debts forced a move to Waukegan, Illinois in 1979. The campus now is home to several organizations, most notably the Campbell Center for Historic...

  • Mount Olive
    Mount Olive, Illinois
    Mount Olive is a city in Macoupin County, Illinois, United States. The population was 2,150 at the 2000 census.-Geography:Mount Olive is located at ....

  • Mount Pulaski
    Mount Pulaski, Illinois
    Mount Pulaski is a city in Logan County, Illinois, United States. The population was 1,701 at the 2000 census, and 1,577 at a 2009 estimate. It is the home of the Mount Pulaski Courthouse State Historic Site...

  • Mount Sterling
    Mount Sterling, Illinois
    Mount Sterling is a city in Brown County, Illinois, USA. The population was 2,070 at the 2000 census. It is also the county seat.-Geography:Mount Sterling is located at ....

  • Mount Vernon
    Mount Vernon, Illinois
    Mount Vernon is a city located near the center of Jefferson County, Illinois, in the United States. In the 2010 census, the city's reported population was 15,277 people....

  • Murphysboro
    Murphysboro, Illinois
    Murphysboro is a city in and the county seat of Jackson County, Illinois, United States. The population was 7,970 at the 2010 census. The city is part of the Metro Lakeland area.-Geography:Murphysboro is located at ....



N

  • Naperville
    Naperville, Illinois
    Naperville is a city in DuPage and Will Counties in Illinois in the United States, voted the second best place to live in the United States by Money Magazine in 2006. As of the 2010 census, the city had a total population of 141,853. It is the fifth largest city in the state, behind Chicago,...

  • Nashville
    Nashville, Illinois
    Nashville is a city in Washington County, Illinois, in the United States. As of the 2010 census, the city population was 3,258. It is the county seat of Washington County.-Geography:Nashville is located at ....

  • Nason
    Nason, Illinois
    Nason is a city in Jefferson County, Illinois, United States. It is a vast barren land and is famous for not being wet. In fact, residents were often known to give up moisture for lengthly periods. The population was 234 people as of the 2000 census...

  • Nauvoo
    Nauvoo, Illinois
    Nauvoo is a small city in Hancock County, Illinois, United States. Although the population was just 1,063 at the 2000 census, and despite being difficult to reach due to its location in a remote corner of Illinois, Nauvoo attracts large numbers of visitors for its historic importance and its...

  • Neoga
    Neoga, Illinois
    Neoga is a city in Cumberland County, Illinois, United States. The population was 1,854 at the 2000 census. It is part of the Charleston–Mattoon Micropolitan Statistical Area. The current mayor of Neoga is Wayne Modglin, a councilman who was appointed to the position following the resignation...

  • New Boston
    New Boston, Illinois
    New Boston is a city in Mercer County, Illinois, United States. The population was 632 at the 2000 census.-Geography:New Boston is located at ....


  • Newman
    Newman, Illinois
    Newman is a city in Douglas County, Illinois, United States. The population was 865 at the 2010 census. Newman has two restaurants: Pizza Man and Country Junction, it also has a Library District, a BP gas station and a bank. The main street is Broadway...

  • Newton
    Newton, Illinois
    Newton is the county seat of Jasper County, Illinois. The population was 3,069 at the 2000 Census and subsequently reported as 3,141 by a local newspaper in mid-2000. Newton is home to a large coal-fired power plant and Newton Lake State Fish and Wildlife Area.-Geography:Newton is located at...

  • Nokomis
    Nokomis, Illinois
    Nokomis is a city in Montgomery County, Illinois, United States. The population was 2,389 at the 2000 census, and 2,230 at a 2009 estimate.-Geography:Nokomis is located at ....

  • North Chicago
    North Chicago, Illinois
    North Chicago is an outer suburb/exurb of the Chicago metropolitan area and is an incorporated city in Lake County, Illinois, United States. The population was 35,918 at the 2000 census....

  • Northlake
    Northlake, Illinois
    Northlake is a city in suburban Chicago in Cook County, Illinois, United States. The population was 11,878 at the 2000 census. The city's moniker is "The City of Friendly People".-Geography:...



O

  • O'Fallon
    O'Fallon, Illinois
    O'Fallon is a city in St. Clair County, Illinois, United States, and one of the fastest-growing communities in the Metropolitan St. Louis area. As of the 2010 census, the city had a total population of 28,281. The city is the third largest city in the Metro-East and Southern Illinois...

  • Oak Forest
    Oak Forest, Illinois
    Oak Forest is a suburban city about south/southwest of downtown Chicago in Bremen Township in Cook County, Illinois, United States. The population was 28,051 at the 2000 census.-History:...

  • Oakbrook Terrace
    Oakbrook Terrace, Illinois
    Oakbrook Terrace is a city in DuPage County, Illinois, a suburb of Chicago. The population was 2,300 at the 2000 census. A 2003 recount gave the city a population of 2,293. Its current mayor is Tony "Red Panda" Ragucci.-Points of interest:...

  • Oakland
    Oakland, Illinois
    Oakland is a city in Coles County, Illinois, United States. The population was 880 at the 2010 census.-Geography:Oakland is located at .According to the United States Census Bureau, the city has a total area of , of which, of it is land and of it is water.-Demographics:As of the census of 2000,...

  • Oglesby
    Oglesby, Illinois
    Oglesby is a city in LaSalle County, Illinois, United States. The population was 3,791 at the 2010 census. It is part of the Ottawa–Streator Micropolitan Statistical Area.-Schools:...


  • Olney
    Olney, Illinois
    Olney is a city in Richland County, Illinois, United States. The population was 8,631 at the 2000 census. It is the county seat of Richland County.-History:...

  • Oneida
    Oneida, Illinois
    Oneida is a city in Knox County, Illinois, United States. The population was 750 at the 2000 census. It is part of the Galesburg Micropolitan Statistical Area.-Geography:Oneida is located at ....

  • Oregon
    Oregon, Illinois
    Oregon is a city located in Ogle County, Illinois. As of the 2010 census, the city had a total population of 3,721, down from 4,060 at the 2000 census. It is the county seat of Ogle County.- History :...

  • Orient
    Orient, Illinois
    Orient is a city in Franklin County, Illinois, United States. According to the 2000 census, the city population was 296.-Geography:Orient is located at ....

  • Ottawa
    Ottawa, Illinois
    Ottawa is a city located at the confluence of the Illinois River and Fox River in LaSalle County, Illinois, USA. As of the 2010 census, the city population was 18,786...



P

  • Palos Heights
    Palos Heights, Illinois
    Palos Heights is a city in Cook County, Illinois, United States. The population was 11,260 at the 2000 census, and estimated to be 12,561 in 2005.-Geography:Palos Heights is located at ....

  • Palos Hills
    Palos Hills, Illinois
    Palos Hills is a city in Cook County, Illinois, United States. It is a suburb of Chicago. The population was 17,665 at the 2000 census. It is the home of Moraine Valley Community College as well as Amos Alonzo Stagg High School.-Geography:...

  • Pana
    Pana, Illinois
    Pana is a city in Christian County, Illinois, United States. The population was 5,847 at the 2010 census.-Geography:Pana is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

  • Paris
    Paris, Illinois
    Paris is a city in Paris Township, Edgar County, Illinois, USA, south of Chicago, and west of Indianapolis. In 1900, 6,105 people lived in Paris, Illinois; in 1910, 7,664; and in 1940, 9,281. The population was 8,837 at the 2010 census. It is the county seat of Edgar County.-Geography:Paris is...

  • Park City
    Park City, Illinois
    Park City is a small community located in the Warren and Waukegan townships of Lake County, Illinois, United States. The population was 6,637 at the 2000 census, broken up into three wards....

  • Park Ridge
    Park Ridge, Illinois
    -Climate:-Demographics:As of the census of 2000, there were 37,775 people, 14,219 households, and 10,465 families residing in the city. The population density was 5,374.6 people per square mile . There were 14,646 housing units at an average density of 2,083.8 per square mile...

  • Paxton
    Paxton, Illinois
    Paxton is a city in Ford County, Illinois, United States. The population was 4,473 at the 2010 census. It is the county seat of Ford County.-History:...

  • Pekin
    Pekin, Illinois
    Pekin is a the county seat of Tazewell County in the U.S. state of Illinois. Located on the Illinois River, Pekin is also the largest city of Tazewell County, and a key part of the Peoria metropolitan area. As of the 2010 census, its population is 34,094. A small portion of the city limits extends...

  • Peoria
    Peoria, Illinois
    Peoria is the largest city on the Illinois River and the county seat of Peoria County, Illinois, in the United States. It is named after the Peoria tribe. As of the 2010 census, the city was the seventh-most populated in Illinois, with a population of 115,007, and is the third-most populated...

  • Peru
    Peru, Illinois
    Peru is a city in LaSalle County, Illinois, United States. The population was 10,295 at the 2010 census. It is part of the Ottawa–Streator Micropolitan Statistical Area...


  • Petersburg
    Petersburg, Illinois
    Petersburg is a city in Menard County, Illinois, on the bluffs and part of the floodplain overlooking the Sangamon River. It is part of the Springfield, Illinois Metropolitan Statistical Area. The population was 2,299 at the 2000 census, and 2,185 at a 2009 estimate. It is the county seat of Menard...

  • Pinckneyville
    Pinckneyville, Illinois
    Pinckneyville is a city in Perry County, Illinois, United States. The population was 5,464 at the 2000 census. It is the county seat of Perry County...

  • Pittsfield
    Pittsfield, Illinois
    Pittsfield is a city in Pike County, Illinois, United States. The population was 4,211 at the 2000 census.-History:The city was named after Pittsfield, Massachusetts. It is the county seat of Pike County...

  • Plano
    Plano, Illinois
    Plano is a city in Kendall County, Illinois, United States near Aurora, with a population of 5,633 at the 2000 census. The city is rapidly growing with new subdivisions such as Lakewood Springs completed and several other developments under construction or in the planning stages. Former Speaker...

  • Polo
    Polo, Illinois
    Polo is a city in Ogle County, Illinois. The population was 2,355 at the 2010 census, down from 2,477 at the 2000 census.-Geography:Polo is located at ....

  • Pontiac
    Pontiac, Illinois
    Pontiac is a city in Livingston County, Illinois, United States. The population was 11,931 at the 2010 census. It is the county seat of Livingston County...

  • Princeton
    Princeton, Illinois
    Princeton is a city in Bureau County, Illinois, United States. The population was 7,501 at the 2000 census. It is the county seat of Bureau County.Princeton is part of the Ottawa–Streator Micropolitan Statistical Area.-History:...

  • Prophetstown
    Prophetstown, Illinois
    Prophetstown is a city in Whiteside County, Illinois, United States. The population was 2,080 at the 2010 census, up from 2,023 at the 2000 census.-Geography:Prophetstown is located at ....

  • Prospect Heights
    Prospect Heights, Illinois
    Prospect Heights is a city in Cook County, Illinois, United States, which is a suburb of Chicago. The population was 17,081 at the 2000 census.-Geography:Prospect Heights is located at ....



R

  • Red Bud
    Red Bud, Illinois
    Red Bud is a city in Randolph County, Illinois. The population was 3,422 at the 2000 census.It is the home of the of Southwestern Illinois College.-Geography:Red Bud is located at ....

  • Robinson
    Robinson, Illinois
    Robinson is a city in Crawford County, Illinois, United States. The population was 6,822 at the 2000 census. It is the county seat of Crawford County.-Geography:Robinson is located at ....

  • Rochelle
    Rochelle, Illinois
    Rochelle is a city in Ogle County, Illinois, United States. The population was 9,574 at the 2010 census, up from 9,424 at the 2000 census. Rochelle is about west of Chicago and south of Rockford...

  • Rock Falls
    Rock Falls, Illinois
    Rock Falls is a city in Whiteside County, Illinois, United States. The population was 9,266 at the 2010 census, down from 9,580. The city is located on the Rock River.- Geography :Rock Falls is located at ....

  • Rock Island
    Rock Island, Illinois
    Rock Island is the county seat of Rock Island County, Illinois, United States. The population was 40,884 at the 2010 census. Located on the Mississippi River, it is one of the Quad Cities, along with neighboring Moline, East Moline, and the Iowa cities of Davenport and Bettendorf. The Quad Cities...


  • Rockford
    Rockford, Illinois
    Rockford is a mid-sized city located on both banks of the Rock River in far northern Illinois. Often referred to as "The Forest City", Rockford is the county seat of Winnebago County, Illinois, USA. As reported in the 2010 U.S. census, the city was home to 152,871 people, the third most populated...

  • Rolling Meadows
    Rolling Meadows, Illinois
    Rolling Meadows is a city in Cook County, Illinois, United States. The population was 24,607 at the 2000 census.-Geography:Rolling Meadows is located at ....

  • Roodhouse
    Roodhouse, Illinois
    Roodhouse is a city in Greene County, Illinois, United States. The population was 2,214 at the 2000 census.-Geography:Roodhouse is located at ....

  • Rosiclare
    Rosiclare, Illinois
    Rosiclare is a city in Hardin County, Illinois, along the Ohio River. The population was 1,213 at the 2000 census.-Geography:Rosiclare is located at ....

  • Rushville
    Rushville, Illinois
    Rushville is a city in Schuyler County, Illinois, United States. The population was 3,212 at the 2000 census. It is the county seat of Schuyler County.-Demographics:...



S

  • St. Charles
    St. Charles, Illinois
    St. Charles is a Chicago suburb in Kane and DuPage counties of Illinois, United States, and is roughly west of Chicago on Illinois Route 64. According to a 2004 census estimate, the city has a total population of 32,134. The official city slogan is Pride of the Fox, after the Fox River that runs...

  • St. Elmo
    St. Elmo, Illinois
    St. Elmo is a city in Fayette County, Illinois, United States. The population was 1,456 at the 2000 census.-Geography:St. Elmo is located at ....

  • St. Francisville
    St. Francisville, Illinois
    St. Francisville is a city in Lawrence County, Illinois, United States. The population was 759 at the 2000 census.-Geography:St. Francisville is located at ....

  • Salem
    Salem, Illinois
    Salem is a city located in the U.S. state of Illinois. It is the county seat of Marion County. The population was 7,485 at the 2010 census.Salem is the birthplace of William Jennings Bryan and his brother vice presidential candidate Charles W. Bryan, the G. I. Bill of Rights, and Miracle Whip salad...

  • Sandwich
    Sandwich, Illinois
    Sandwich is a city in DeKalb, Kendall, and LaSalle counties in the U.S. state of Illinois. The population was 6,509 at the 2000 census. The 2008 population estimate by the U.S. Census Bureau for the city is 7,337.-History:...

  • Savanna
    Savanna, Illinois
    Savanna is a city in Carroll County, Illinois, United States. The population was 3,062 at the 2010 census, down from 3,542 at the 2000 census. Savanna is located along the Mississippi River at the mouth of the Plum River. Going from north to south, the second automobile bridge between Iowa and...

  • Sesser
    Sesser, Illinois
    Sesser is a city in Franklin County, Illinois, United States. The population was 2,128 at the 2000 census.-Geography:Sesser is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

  • Shawneetown
    Shawneetown, Illinois
    Shawneetown is a city in Gallatin County, Illinois, United States. The population was 1,410 at the 2000 census. It is the county seat of Gallatin County...

  • Shelbyville
    Shelbyville, Illinois
    Shelbyville is a city in Shelby County, Illinois, along the Kaskaskia River. As of the 2010 census, the population was at 4700. It is the county seat of Shelby County...

  • Silvis
    Silvis, Illinois
    Silvis is a city in Rock Island County, Illinois, United States. The population as of 2010 had broken the 10,000 marker to 10,021.-Geography:Silvis is located at ....


  • South Beloit
    South Beloit, Illinois
    South Beloit is a city located in Winnebago County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area...

  • Sparta
    Sparta, Illinois
    Sparta is a city in Randolph County, Illinois, United States. The population was 4,486 at the 2000 census.The city was the principal filming location for the 1967 film In the Heat of the Night.-Geography:Sparta is located at ....

  • Spring Valley
    Spring Valley, Illinois
    Spring Valley is a city situated on the Illinois River in Bureau County, Illinois. The population was 5,398 at the 2000 census. It is part of the Ottawa–Streator Micropolitan Statistical Area.-Geography:...

  • Springfield
    Springfield, Illinois
    Springfield is the third and current capital of the US state of Illinois and the county seat of Sangamon County with a population of 117,400 , making it the sixth most populated city in the state and the second most populated Illinois city outside of the Chicago Metropolitan Area...

  • Staunton
    Staunton, Illinois
    Staunton is a city in Macoupin County, Illinois, United States. The population was 5,030 at the 2000 census.-Geography:Staunton is located at ....

  • Sterling
    Sterling, Illinois
    Sterling is a city in Whiteside County, Illinois, United States. The population was 15,370 at the 2010 census, down from 15,451 at the 2000 census. Formerly nicknamed "The Hardware Capital of the World", Sterling has long been associated with manufacturing and the steel...

  • Streator
    Streator, Illinois
    Streator is a city in LaSalle and partially in Livingston counties in the U.S. state of Illinois. The city is situated on the Vermilion River approximately southwest of Chicago, Illinois in the prairie and farm land of north-central Illinois. It is the center of the geographic region known as...

  • Sullivan
    Sullivan, Illinois
    Sullivan is a city in Moultrie County, Illinois, United States. The population was 4,326 at the 2000 census, and 4,396 in 2009. It is the county seat of Moultrie County...

  • Sumner
    Sumner, Illinois
    Sumner is a city in Lawrence County, Illinois, United States. The population was 1,022 at the 2000 census.-Geography:Sumner is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

  • Sycamore
    Sycamore, Illinois
    Sycamore is a city in DeKalb County, Illinois, United States. It has a commercial district based and centered on Illinois Route 64. The population was 17,519 at the 2010 census, up from 12,020 at the 2000 census.-Early settlement:...



T

  • Taylorville
    Taylorville, Illinois
    Taylorville is a city in Christian County, Illinois, United States. The population was 11,246 at the 2010 census. It is the county seat and largest city in Christian County.-Geography:Taylorville is located at ....

  • Toluca
    Toluca, Illinois
    Toluca is a city in Marshall County, Illinois. The population was 1,339 at the 2000 census. It is part of the Peoria, Illinois, Metropolitan Statistical Area.-Geography:Toluca is located at ....

  • Trenton
    Trenton, Illinois
    Trenton is a town in Clinton County, Illinois, United States. The population was 3,184 at the 2010 census.-Geography:Trenton is located at ....


  • Troy
    Troy, Illinois
    Troy is a city in Madison County, Illinois, United States. The population was 8,524 at the 2000 census.Troy is part of the St. Louis Metropolitan Statistical Area...

  • Tuscola
    Tuscola, Illinois
    Tuscola is a city in Douglas County, Illinois, United States. The population was 4,480 at the 2010 census. It is the county seat of Douglas County.-Geography:Tuscola is located at ....



V

  • Vandalia
    Vandalia, Illinois
    Vandalia is a city in Fayette County, Illinois, United States, northeast of St. Louis, on the Kaskaskia River. From 1819 to 1839 it served as the state capital of Illinois. Vandalia was the western terminus of the National Road. Today it is the county seat of Fayette County and the home of the...

  • Venice
    Venice, Illinois
    Venice is a city in Madison County, Illinois, United States. The population was 2,528 at the 2000 census.The Venice Power Station, a combustion turbine generator -type Ameren power plant, is located in Venice.-Geography:...

  • Vienna
    Vienna, Illinois
    Vienna is a city in Johnson County, Illinois, United States. The population was 1,434 at the 2010 census. It is the county seat of Johnson County, and the site of two well-known state penitentiaries. Heron Pond - Little Black Slough Nature Preserve, a National Natural Landmark, is nearby. The...


  • Villa Grove
    Villa Grove, Illinois
    Villa Grove is a city in Douglas County, Illinois, along the Embarras River. The population was 2,537 at the 2010 census.Villa Grove was chartered in 1903. It was first utilized by the Chicago and Eastern Illinois Railroad for being exactly halfway between Chicago and St. Louis. It was also known...

  • Virden
    Virden, Illinois
    Virden is a city in Macoupin and Sangamon counties in the U.S. state of Illinois. The population was 3,488 at the 2000 census, and 3,338 at a 2009 estimate....

  • Virginia
    Virginia, Illinois
    Virginia is a city in Cass County, Illinois, United States. The population was 1,611 at the 2010 census. It is the county seat of Cass County.-Geography:Virginia is located at ....



W

  • Wamac
    Wamac, Illinois
    Wamac is a city in Clinton County, Illinois, United States. The population was 1,185 at the 2010 census. The town sits on the joining lines of adjacent three counties: Washington, Marion and Clinton. It derives its name from the first letters of those counties...

  • Warrenville
    Warrenville, Illinois
    Warrenville is a city in DuPage County, Illinois, United States. The population was 13,363 at the 2000 census. It is a part of the Chicago metropolitan area and the Illinois Technology and Research Corridor.-History:...

  • Warsaw
    Warsaw, Illinois
    Warsaw is a city in Hancock County, Illinois, United States. The population was 1,793 at the 2000 census. The city is notable for its historic downtown and the Warsaw Brewery, which operated for more than 100 years beginning in 1861...

  • Washington
    Washington, Illinois
    Washington is a city in Tazewell County, Illinois, United States. The population was 10,841 at the 2000 census. There are currently 13,167 people living in Washington, according to a 2004 special census. Washington is part of the Peoria Metropolitan Statistical Area...

  • Waterloo
    Waterloo, Illinois
    Waterloo is a city in Monroe County, Illinois, United States. The population was 7,614 at the 2000 census. It is the county seat of Monroe County.-Geography:Waterloo is located at ....

  • Watseka
    Watseka, Illinois
    Watseka is a city in and the county seat of Iroquois County, Illinois, United States. It is located approximately west of the Illinois-Indiana state line on U.S...

  • Waukegan
    Waukegan, Illinois
    Waukegan is a city and county seat of Lake County, Illinois. As of the 2000 census, the city had a total population of 87,901. The 2010 population was 89,078. It is the ninth-largest city in Illinois by population...

  • Waverly
    Waverly, Illinois
    Waverly is a small city in Morgan County, Illinois, United States. The population was 1,346 at the 2000 census. It is part of the Jacksonville Micropolitan Statistical Area....

  • Wenona
    Wenona, Illinois
    Wenona is a city in Marshall and LaSalle counties in the U.S. state of Illinois. The population was 1,065 at the 2000 census.The Marshall County portion of Wenona is part of the Peoria Metropolitan Statistical Area, while the small portion that lies in LaSalle County is part of the...

  • West Chicago
    West Chicago, Illinois
    West Chicago is a city in DuPage County, Illinois, United States. The population was 23,469 at the 2000 census. It was formerly named Turner Junction after its founder, John B. Turner, president of the Galena and Chicago Union Railroad in 1855...

  • West Frankfort
    West Frankfort, Illinois
    West Frankfort is a city in Franklin County, Illinois, USA. The population was 8,182 at the 2010 census. The city is part of the Metro Lakeland area.-History:...


  • West Peoria
    West Peoria, Illinois
    West Peoria is a city in Peoria County, Illinois, USA. The population was 4,762 at the 2000 census. West Peoria is a suburb of Peoria and is part of the Peoria, Illinois Metropolitan Statistical Area....

  • Wheaton
    Wheaton, Illinois
    Wheaton is an affluent community located in DuPage County, Illinois, approximately west of Chicago and Lake Michigan. Wheaton is the county seat of DuPage County...

  • White Hall
    White Hall, Illinois
    White Hall is a city in Greene County, Illinois, United States. The population was 2,629 at the 2000 census.-Geography:White Hall is located at ....

  • Wilmington (Will County)
    Wilmington, Will County, Illinois
    One of Wilmington's most notable geographical features is a large island in the Kankakee River, much of which is occupied by a city park. This island divides the river into a large channel and a smaller one which was used as a natural mill race during the early years of the city...

  • Winchester
    Winchester, Illinois
    Winchester is a city in Scott County, Illinois, United States. It is the county seat of Scott County. The population was 1,650 at the 2000 census. According to the United States Census Bureau, the city has a total area of , all of it land...

  • Windsor (Shelby County)
    Windsor, Shelby County, Illinois
    Windsor is a city in Shelby County, Illinois, United States. The population was 1,125 at the 2000 census, and 1,029 at a 2009 estimate.-Geography:Windsor is located at ....

  • Witt
    Witt, Illinois
    Witt is a city in Montgomery County, Illinois, United States. The population was 991 at the 2000 census, and 949 at a 2009 estimate.-Geography:Witt is located at ....

  • Wood Dale
    Wood Dale, Illinois
    Wood Dale is a city in DuPage County, Illinois, United States. The population was 13,535 at the 2000 census.-Geography:Wood Dale is located at .According to the United States Census Bureau, the city has a total area of , all of it land.-Demographics:...

  • Wood River
    Wood River, Illinois
    Wood River is a city in Madison County, Illinois, United States. The population was 11,296 at the 2000 census.-Geography:Wood River is located at ....

  • Woodstock
    Woodstock, Illinois
    Woodstock is a far northwest suburb of Chicago in McHenry County, Illinois. The population was 20,151 at the 2000 census. The 2010 Census shows 24,770 residents. It is the county seat of McHenry County...

  • Wyoming
    Wyoming, Illinois
    Wyoming is a city in Stark County, Illinois, United States. The population was 1,424 at the 2000 census. It is the headquarters of the Rock Island Trail State Park. Wyoming is part of the Peoria, Illinois Metropolitan Statistical Area...



Z

  • Zeigler
    Zeigler, Illinois
    Zeigler is a city in Franklin County, Illinois, United States. The population was 1801 at the 2010 census. The current mayor is Dennis Mitchell.-Geography:Zeigler is located at ....


  • Zion
    Zion, Illinois
    Zion is a city in Lake County, Illinois, United States. The population was 22,866 at the 2000 census, and estimated at 24,303 as of 2005. The city was founded in July 1901 by John Alexander Dowie. He also started the Zion Tabernacle of the Christian Catholic Apostolic Church, which was the only...


Incorporated places over 100,000 population

The following is a list of the most populous incorporated places in the State of Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. As defined by the United States Census Bureau
United States Census Bureau
The United States Census Bureau is the government agency that is responsible for the United States Census. It also gathers other national demographic and economic data...

, an incorporated place includes a variety of designations, including a city
City
A city is a relatively large and permanent settlement. Although there is no agreement on how a city is distinguished from a town within general English language meanings, many cities have a particular administrative, legal, or historical status based on local law.For example, in the U.S...

, town
Town
A town is a human settlement larger than a village but smaller than a city. The size a settlement must be in order to be called a "town" varies considerably in different parts of the world, so that, for example, many American "small towns" seem to British people to be no more than villages, while...

, village
Village
A village is a clustered human settlement or community, larger than a hamlet with the population ranging from a few hundred to a few thousand , Though often located in rural areas, the term urban village is also applied to certain urban neighbourhoods, such as the West Village in Manhattan, New...

, borough
Borough
A borough is an administrative division in various countries. In principle, the term borough designates a self-governing township although, in practice, official use of the term varies widely....

, and municipality
Municipality
A municipality is essentially an urban administrative division having corporate status and usually powers of self-government. It can also be used to mean the governing body of a municipality. A municipality is a general-purpose administrative subdivision, as opposed to a special-purpose district...

. Some census-designated place
Census-designated place
A census-designated place is a concentration of population identified by the United States Census Bureau for statistical purposes. CDPs are delineated for each decennial census as the statistical counterparts of incorporated places such as cities, towns and villages...

s may also be included in the Census Bureau's listing of incorporated places. Consolidated city–counties represent a distinct type of government that includes the entire population of a county, or county equivalent. Some consolidated city–counties, however, include multiple incorporated places. This list presents only that portion (or "balance") of such consolidated city–counties that are not a part of another incorporated place.

Note that this list refers only to the population of individual municipalities within their defined limits, which does not include other municipalities or unincorporated suburb
Suburb
The word suburb mostly refers to a residential area, either existing as part of a city or as a separate residential community within commuting distance of a city . Some suburbs have a degree of administrative autonomy, and most have lower population density than inner city neighborhoods...

an areas within urban agglomerations. A different ranking is evident when considering metropolitan area populations
Table of United States Metropolitan Statistical Areas
thumb|An enlargeable map of the 942 [[Core Based Statistical Area]]s of the [[United States]]. The 367 [[Metropolitan Statistical Area]]s are shown in red....

.
Rank City County Population
(2009 est.)
Population
(2000 Census)
Change
(%)
1 Chicago
Chicago
Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

Cook
Cook County, Illinois
Cook County is a county in the U.S. state of Illinois, with its county seat in Chicago. It is the second most populous county in the United States after Los Angeles County. The county has 5,194,675 residents, which is 40.5 percent of all Illinois residents. Cook County's population is larger than...

, DuPage
DuPage County, Illinois
As of the 2010 Census, the population of the county was 916,924, White Americans made up 77.9% of Dupage County's population; non-Hispanic whites represented 70.5% of the population. Black Americans made up 4.6% of the population. Native Americans made up 0.3% of Dupage County's population...

2,851,268 2,896,016
2 Aurora
Aurora, Illinois
Aurora is the second most populous city in the U.S. state of Illinois, and the 112th largest city in the United States. A suburb of Chicago, located west of the Loop, its population in 2010 was 197,899. Originally founded within Kane County, Aurora's city limits have expanded greatly over the past...

Kane
Kane County, Illinois
Kane County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 515,269, which is an increase of 27.5% from 404,119 in 2000. Its county seat is Geneva, and its largest city is Aurora.- Geography :...

, DuPage
DuPage County, Illinois
As of the 2010 Census, the population of the county was 916,924, White Americans made up 77.9% of Dupage County's population; non-Hispanic whites represented 70.5% of the population. Black Americans made up 4.6% of the population. Native Americans made up 0.3% of Dupage County's population...

, Kendall
Kendall County, Illinois
Kendall County is a county located in the U.S. state of Illinois, about 40 miles southwest of Chicago. According to the 2010 census, it has a population of 114,736, which is an increase of 110% from 54,544 in 2000. It was the fastest-growing county in the United States between the years 2000 and...

, Will
Will County, Illinois
As of the census of 2000, there were 502,266 people, 167,542 households, and 131,017 families residing in the county. The population density was 600 people per square mile . There were 175,524 housing units at an average density of 210 per square mile...

172,950 142,990
3 Rockford
Rockford, Illinois
Rockford is a mid-sized city located on both banks of the Rock River in far northern Illinois. Often referred to as "The Forest City", Rockford is the county seat of Winnebago County, Illinois, USA. As reported in the 2010 U.S. census, the city was home to 152,871 people, the third most populated...

Winnebago
Winnebago County, Illinois
Winnebago County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 295,266, which is an increase of 6.1% from 278,418 in 2000...

157,280 150,115
4 Joliet
Joliet, Illinois
Joliet is a city in Will and Kendall Counties in the U.S. state of Illinois, located southwest of Chicago. It is the county seat of Will County. As of the 2010 census, the city was the fourth-most populated in Illinois, with a population of 147,433. It continues to be Illinois' fastest growing...

Will
Will County, Illinois
As of the census of 2000, there were 502,266 people, 167,542 households, and 131,017 families residing in the county. The population density was 600 people per square mile . There were 175,524 housing units at an average density of 210 per square mile...

, Kendall
Kendall County, Illinois
Kendall County is a county located in the U.S. state of Illinois, about 40 miles southwest of Chicago. According to the 2010 census, it has a population of 114,736, which is an increase of 110% from 54,544 in 2000. It was the fastest-growing county in the United States between the years 2000 and...

147,648 106,221
5 Naperville
Naperville, Illinois
Naperville is a city in DuPage and Will Counties in Illinois in the United States, voted the second best place to live in the United States by Money Magazine in 2006. As of the 2010 census, the city had a total population of 141,853. It is the fifth largest city in the state, behind Chicago,...

DuPage
DuPage County, Illinois
As of the 2010 Census, the population of the county was 916,924, White Americans made up 77.9% of Dupage County's population; non-Hispanic whites represented 70.5% of the population. Black Americans made up 4.6% of the population. Native Americans made up 0.3% of Dupage County's population...

, Will
Will County, Illinois
As of the census of 2000, there were 502,266 people, 167,542 households, and 131,017 families residing in the county. The population density was 600 people per square mile . There were 175,524 housing units at an average density of 210 per square mile...

143,661 128,358
6 Springfield
Springfield, Illinois
Springfield is the third and current capital of the US state of Illinois and the county seat of Sangamon County with a population of 117,400 , making it the sixth most populated city in the state and the second most populated Illinois city outside of the Chicago Metropolitan Area...

Sangamon
Sangamon County, Illinois
Sangamon County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 197,465, which is an increase of 4.5% from 188,951 in 2000...

118,033 111,454
7 Peoria
Peoria, Illinois
Peoria is the largest city on the Illinois River and the county seat of Peoria County, Illinois, in the United States. It is named after the Peoria tribe. As of the 2010 census, the city was the seventh-most populated in Illinois, with a population of 115,007, and is the third-most populated...

Peoria
Peoria County, Illinois
Peoria County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 186,494, which is an increase of 1.7% from 183,433 in 2000. Its county seat is Peoria....

115,520 112,936
8 Elgin
Elgin, Illinois
Elgin is a city in northern Illinois located roughly northwest of Chicago on the Fox River. Most of Elgin lies within Kane County, Illinois, with a portion in Cook County, Illinois...

Kane
Kane County, Illinois
Kane County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 515,269, which is an increase of 27.5% from 404,119 in 2000. Its county seat is Geneva, and its largest city is Aurora.- Geography :...

, Cook
Cook County, Illinois
Cook County is a county in the U.S. state of Illinois, with its county seat in Chicago. It is the second most populous county in the United States after Los Angeles County. The county has 5,194,675 residents, which is 40.5 percent of all Illinois residents. Cook County's population is larger than...

107,519 94,487

See also





External links

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