Clayton County, Iowa
Encyclopedia
2010 census
The 2010 census recorded a population of 18,129 in the county, with a population density of . There were 8,999 housing units, of which 7,599 were occupied.2000 census
As of the census
Census
A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...
of 2000, there were 18,678 people, 7,375 households, and 5,132 families residing in the county. The population density
Population density
Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...
was 24 people per square mile (9/km²). There were 8,619 housing units at an average density of 11 per square mile (4/km²). The racial makeup of the county was 98.93% White
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.14% Black
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
or African American
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.22% Native American
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.11% Asian
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.01% Pacific Islander
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.19% from other races
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, and 0.41% from two or more races. 0.76% of the population were Hispanic
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
or Latino
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
of any race.
There were 7,375 households out of which 30.90% had children under the age of 18 living with them, 59.70% were married couples
Marriage
Marriage is a social union or legal contract between people that creates kinship. It is an institution in which interpersonal relationships, usually intimate and sexual, are acknowledged in a variety of ways, depending on the culture or subculture in which it is found...
living together, 6.10% had a female householder with no husband present, and 30.40% were non-families. 26.30% of all households were made up of individuals and 13.30% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.98.
In the county the population was spread out with 25.40% under the age of 18, 6.50% from 18 to 24, 26.00% from 25 to 44, 23.60% from 45 to 64, and 18.50% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 97.60 males. For every 100 females age 18 and over, there were 95.50 males.
The median income for a household in the county was $34,068, and the median income for a family was $40,199. Males had a median income of $27,165 versus $19,644 for females. The per capita income
Per capita income
Per capita income or income per person is a measure of mean income within an economic aggregate, such as a country or city. It is calculated by taking a measure of all sources of income in the aggregate and dividing it by the total population...
for the county was $16,930. About 5.70% of families and 8.60% of the population were below the poverty line, including 9.60% of those under age 18 and 9.40% of those age 65 or over.
Cities
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Garnavillo, Iowa Garnavillo is a city in Clayton County, Iowa, United States. The population was 754 at the 2000 census.-Geography:Garnavillo is located at .According to the United States Census Bureau, the city has a total area of , all of it land.... Guttenberg, Iowa -Demographics:As of the census of 2000, there were 1,987 people, 837 households, and 534 families residing in the city. The population density was 962.3 people per square mile . There were 935 housing units at an average density of 452.8 per square mile... Luana, Iowa Luana is a city in Clayton County, Iowa, United States. The population was 249 at the 2000 census.The location of a large plant, Luana is located along US Highways 18 and 52 in northern Clayton County... Marquette, Iowa Marquette is a city in Clayton County, Iowa, United States. The population was 421 at the 2000 census. The city, which is located on the Mississippi River, is named after Jesuit missionary Jacques Marquette, who along with Louis Joliet discovered the Mississippi River just southeast of the city on... McGregor, Iowa McGregor is a city in Clayton County, Iowa, United States. The population was 871 at the 2000 census. McGregor is located on the Mississippi River across from Prairie du Chien, Wisconsin. Pike's Peak State Park is located just south of the city... |
Millville, Iowa Millville is a city in Clayton County, Iowa, United States. The population was 23 at the 2000 census.-Geography:Millville is located at .According to the United States Census Bureau, the city has a total area of , all of it land.... Monona, Iowa Monona is a city in Clayton County, Iowa, United States. The population was 1,550 at the 2000 census.-Geography:Monona is located at .According to the United States Census Bureau, the city has a total area of , all of it land.... North Buena Vista, Iowa North Buena Vista is a city in Clayton County, Iowa, United States. The population was 124 at the 2000 census.-Geography:North Buena Vista is located at .... Osterdock, Iowa Osterdock is a city located in Clayton County, Iowa. As of the 2000 census, the city had a total population of 50.- Geography :Osterdock is located at 42°43'47" North, 91°9'42" West .... |
Postville, Iowa Postville is a city in Allamakee and Clayton Counties in the U.S. state of Iowa. It lies near the junction of four counties and at the intersection of U.S. Routes 18 and 52 and Iowa Highway 51, with airport facilities in the neighboring communities of Waukon, Decorah, Monona, and Prairie du Chien.... St. Olaf, Iowa St. Olaf is a city in Clayton County, Iowa, United States. The population was 136 at the 2000 census. has a large cheese packaging plant in St. Olaf.-Geography:St... Strawberry Point, Iowa Strawberry Point is a city in Clayton County, Iowa, United States. The population was 1,386 at the 2000 census. Strawberry Point is home to the world's largest strawberry . Backbone State Park, Iowa's oldest state park, is located a few miles from the town.-Geography:Strawberry Point's longitude... Volga, Iowa Volga is a city in Clayton County, Iowa, United States. The population was 247 at the 2000 census.-Geography:Volga is located at on the Volga River.... |
Unincorporated communities
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Fairview, Iowa Fairview is an unincorporated community in Jones County, Iowa, United States. Fairview is north of the junction of U.S. Route 151 and Iowa Highway 1 and is southwest of Anamosa.... Froelich, Iowa Froelich is an unincorporated community in Clayton County, Iowa, United States. Its elevation is 1,020 feet , and it is located at . Froelich was once served by its own post office, which is now closed.... Giard, Iowa Giard is an unincorporated community in Clayton County, Iowa, United States. Its elevation is 1,122 feet , and it is located at . A post office was established in the community on September 28, 1854; after being disestablished, it was restored on August 7, 1914 and operated until January... |
Littleport, Iowa Littleport is an unincorporated community and former city in Clayton County, Iowa, USA. After the Volga River flood of May 16, 1999, much of the town was destroyed and most residents moved away. At the 2000 Census, there were 26 residents... |
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Townships
Clayton County is divided into these townshipsCivil township
A civil township is a widely used unit of local government in the United States, subordinate to, and geographic divisions of, a county. Specific responsibilities and the degree of autonomy vary based on each state. Civil townships are distinct from survey townships, but in states that have both,...
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Farmersburg Township, Clayton County, Iowa Farmersburg Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 605.-Geography:Farmersburg Township covers an area of and contains one incorporated settlement, Farmersburg. According to the USGS, it contains three cemeteries: Giard, National and... Garnavillo Township, Clayton County, Iowa Garnavillo Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 1,008.-Geography:Garnavillo Township covers an area of and contains one incorporated settlement, Garnavillo... Giard Township, Clayton County, Iowa Giard Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 463.-Geography:Giard Township covers an area of and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Council Hill, Railroad Employee and Saint... Grand Meadow Township, Clayton County, Iowa Grand Meadow Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 557.-Geography:Grand Meadow Township covers an area of and contains no incorporated settlements. According to the USGS, it contains four cemeteries: East Clermont Lutheran, Fry, Grand... Highland Township, Clayton County, Iowa Highland Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 237.-Geography:Highland Township covers an area of and contains no incorporated settlements. According to the USGS, it contains two cemeteries: Duff and Highland Lutheran.-References:*... Jefferson Township, Clayton County, Iowa Jefferson Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 2,721.-Geography:Jefferson Township covers an area of and contains one incorporated settlement, Guttenberg... |
Lodomillo Township, Clayton County, Iowa Lodomillo Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 719.-Geography:Lodomillo Township covers an area of and contains one incorporated settlement, Edgewood. According to the USGS, it contains two cemeteries: Green Hill and Noble.-References:*... Mallory Township, Clayton County, Iowa Mallory Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 411.-Geography:Mallory Township covers an area of and contains one incorporated settlement, Osterdock... Marion Township, Clayton County, Iowa Marion Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 389.-Geography:Marion Township covers an area of and contains no incorporated settlements... Mendon Township, Clayton County, Iowa Mendon Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 1,890.-Geography:Mendon Township covers an area of and contains two incorporated settlements: Marquette and McGregor... Millville Township, Clayton County, Iowa Millville Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 471.-Geography:Millville Township covers an area of and contains one incorporated settlement, Millville. Neighboring townships include Mallory Township, Jefferson Township, and Buena Vista... |
Monona Township, Clayton County, Iowa Monona Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 2,225.-Geography:Monona Township covers an area of and contains two incorporated settlements: Luana and Monona... Read Township, Clayton County, Iowa Read Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 300.-Geography:Read Township covers an area of and contains no incorporated settlements... Sperry Township, Clayton County, Iowa Sperry Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 534.-Geography:Sperry Township covers an area of and contains one incorporated settlement, Volga... Volga Township, Clayton County, Iowa Volga Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 551.-Geography:Volga Township covers an area of and contains two incorporated settlements: Elkport and Garber... Wagner Township, Clayton County, Iowa Wagner Township is a township in Clayton County, Iowa, USA. As of the 2000 census, its population was 441.-Geography:Wagner Township covers an area of and contains one incorporated settlement, St. Olaf... |
See also
- National Register of Historic Places listings in Clayton County, IowaNational Register of Historic Places listings in Clayton County, IowaThis is a list of the National Register of Historic Places listings in Clayton County, Iowa.This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Clayton County, Iowa, United States...
- The Clayton County Courthouse ArticleClayton County CourthouseThe Clayton County Courthouse, located in Elkader, Iowa, United States, was built in 1878. It was listed on the National Register of Historic Places in 1976 as a part of the County Courthouses in Iowa Thematic Resource...