California census statistical areas - AbsoluteAstronomy.com

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...

has defined 4 Combined Statistical Area
Combined Statistical Area
The United States Office of Management and Budget defines micropolitan and metropolitan statistical areas. Metropolitan and micropolitan statistical areas consist of one or more counties...

s (CSAs), 26 Metropolitan Statistical Areas (MSAs), and 9 Micropolitan Statistical Areas (μSAs) in the State of California. The following table describes these areas with the following information:

The name of the Combined Statistical Area (CSA), if any.
The population of the CSA as of 2006-07-01, as estimated by the United States Census Bureau.
The name of the Core Based Statistical Area
Core based statistical area
A Core Based Statistical Area is a U.S. geographic area defined by the Office of Management and Budget based around an urban center of at least 10,000 people and adjacent areas that are socioeconomically tied to the urban center by commuting. Areas defined on the basis of these standards applied...

(CBSA).
The population of the CBSA as of 2006-07-01, as estimated by the United States Census Bureau.
The name of the county
County (United States)
In the United States, a county is a geographic subdivision of a state , usually assigned some governmental authority. The term "county" is used in 48 of the 50 states; Louisiana is divided into parishes and Alaska into boroughs. Parishes and boroughs are called "county-equivalents" by the U.S...

.
The population of the county as of 2006-07-01, as estimated by the United States Census Bureau.

**United States Census Bureau Statistical Areas in the State of California**
Combined Statistical Area	2006 Pop	Core Based Statistical Area	2006 Pop	County	2006 Pop
Los Angeles-Long Beach-Riverside, CA CSA Greater Los Angeles Area The Greater Los Angeles Area, or the Southland, is a term used for the Combined Statistical Area sprawled over five counties in the southern part of California, namely Los Angeles County, Orange County, San Bernardino County, Riverside County and Ventura County...	17,775,984	Los Angeles-Long Beach-Santa Ana, CA MSA	12,950,129	Los Angeles County, California Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	9,948,081
		Los Angeles-Long Beach-Santa Ana, CA MSA	12,950,129	Orange County, California Orange County, California Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...	3,002,048
		Riverside-San Bernardino-Ontario, CA MSA	4,026,135	Riverside County, California Riverside County, California Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...	2,026,803
		Riverside-San Bernardino-Ontario, CA MSA	4,026,135	San Bernardino County, California San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	1,999,332
		Oxnard-Thousand Oaks-Ventura, CA MSA	799,720	Ventura County, California Ventura County, California Ventura County is a county in the southern part of the U.S. state of California. It is located on California's Pacific coast. It is often referred to as the Gold Coast, and has a reputation of being one of the safest populated places and one of the most affluent places in the country...	799,720
San Jose-San Francisco-Oakland, CA CSA San Francisco Bay Area The San Francisco Bay Area, commonly known as the Bay Area, is a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas...	7,228,948	San Francisco-Oakland-Fremont, CA MSA San Francisco-Oakland-Fremont, CA MSA San Francisco-Oakland-Fremont, CA MSA is a Metropolitan Statistical Area within the San Francisco Bay Area, which includes a number of its core cities and counties. It is defined by the US Census Bureau to include core areas economically influenced by San Francisco rather than outlying cities such...	4,180,027	Alameda County, California Alameda County, California Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...	1,457,426
				Contra Costa County, California Contra Costa County, California Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...	1,024,319
				San Francisco County, California	744,041
				San Mateo County, California San Mateo County, California San Mateo County is a county located in the San Francisco Bay Area of the U.S. state of California. It covers most of the San Francisco Peninsula just south of San Francisco, and north of Santa Clara County. San Francisco International Airport is located at the northern end of the county, and...	705,499
				Marin County, California Marin County, California Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...	248,742
		San Jose-Sunnyvale-Santa Clara, CA MSA	1,787,123	Santa Clara County, California Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	1,731,281
		San Jose-Sunnyvale-Santa Clara, CA MSA	1,787,123	San Benito County, California San Benito County, California San Benito County is a county located in the Coast Range Mountains of the U.S. state of California, south of San Jose. As of 2010 the population was 55,269. The county seat is Hollister, which includes nearly two-thirds of the county's population. El Camino Real passes through the county and...	55,842
		Santa Rosa-Petaluma, CA MSA	466,891	Sonoma County, California Sonoma County, California Sonoma County, located on the northern coast of the U.S. state of California, is the largest and northernmost of the nine San Francisco Bay Area counties. Its population at the 2010 census was 483,878. Its largest city and county seat is Santa Rosa....	466,891
		Vallejo-Fairfield, CA MSA	411,680	Solano County, California Solano County, California Solano County is a county located in Bay-Delta region of the U.S. state of California, about halfway between San Francisco and Sacramento and is one of the nine San Francisco Bay Area counties. The county's population was reported by the U.S. Census to be 413,344 in 2010...	411,680
		Santa Cruz-Watsonville, CA MSA	249,705	Santa Cruz County, California Santa Cruz County, California Santa Cruz County is a county located on the Pacific coast of the U.S. state of California, on the California Central Coast. The county forms the northern coast of the Monterey Bay. . As of the 2010 U.S. Census, its population was 262,382. The county seat is Santa Cruz...	249,705
		Napa, CA MSA	133,522	Napa County, California Napa County, California Napa County is a county located north of the San Francisco Bay Area in the U.S. state of California. It is coterminous with the Napa, California, Metropolitan Statistical Area. As of 2010 the population is 136,484. The county seat is Napa....	133,522
primary census statistical area	2,941,454	San Diego-Carlsbad-San Marcos, CA MSA	2,941,454	San Diego County, California San Diego County, California San Diego County is a large county located in the southwestern corner of the US state of California. Hence, San Diego County is also located in the southwestern corner of the 48 contiguous United States. Its county seat and largest city is San Diego. Its population was about 2,813,835 in the 2000...	2,941,454
Sacramento-Arden Arcade-Yuba City, CA-NV CSA	2,373,596 2,327,687	Sacramento-Arden Arcade-Roseville, CA MSA	2,067,117	Sacramento County, California Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	1,374,724
				Placer County, California Placer County, California Placer County is a county located in both the Sacramento Valley and Sierra Nevada regions of the U.S. state of California, in what is known as the Gold Country. It stretches from the suburbs of Sacramento to Lake Tahoe and the Nevada border. Because of the expansion of the Greater Sacramento,...	326,242
				Yolo County, California Yolo County, California Yolo County is a county located in the northern part of the U.S. state of California, bordered by the other counties of Sacramento, Solano, Napa, Lake, Colusa, and Sutter. The city of Woodland is its county seat, though Davis is its largest city....	188,085
				El Dorado County, California El Dorado County, California El Dorado County is a county located in the historic Gold Country in the Sierra Nevada Mountains and foothills of the U.S. state of California. The 2010 population was 181,058. The El Dorado county seat is in Placerville....	178,066
		Yuba City, CA MSA	161,806	Sutter County, California Sutter County, California Sutter County is a county located along the Sacramento River in the Central Valley of the U.S. state of California, north of state capital Sacramento. Sutter County is part of the Greater Sacramento CSA....	91,410
		Yuba City, CA MSA	161,806	Yuba County, California Yuba County, California Yuba County is a county located in the U.S. state of California's Central Valley, north of Sacramento, along the Feather River. As of the 2010 census, its population was 72,155. The county seat is Marysville. Yuba County is part of the Greater Sacramento area.-History:Yuba County was one of the...	70,396
		Truckee-Grass Valley, CA μSA	98,764	Nevada County, California Nevada County, California Nevada County is a county located in the Sierra Nevada of California, in the Mother Lode country. As of 2010 its population was 98,764. The county seat is Nevada City.-History:Nevada County was created in 1851 from parts of Yuba County....	98,764
		Gardnerville Ranchos, NV μSA	45,909	Douglas County, Nevada Douglas County, Nevada Douglas County is a county located in the northwestern part of the U.S. state of Nevada. As of 2000, the population was 41,259. As of 2010, the population was estimated to be 46,997.- History :...	45,909
Fresno-Madera, CA CSA Metropolitan Fresno Metropolitan Fresno or officially Fresno-Madera, CA CSA is a metropolitan area in California's Central Valley consisting of Fresno and Madera counties in the southern area of Northern California...	1,038,101	Fresno, CA MSA	891,756	Fresno County, California Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	891,756
	1,038,101	Madera, CA MSA	146,345	Madera County, California Madera County, California Madera County is a county of the U.S. state of California, located in the Central Valley and the Sierra Nevada north of Fresno County. It comprises the Madera-Chowchilla, CA Metropolitan Statistical Area. As of the 2010 census the population was 150,865...	146,345
primary census statistical area	780,117	Bakersfield, CA MSA	780,117	Kern County, California Kern County, California Spreading across the southern end of the California Central Valley, Kern County is the fifth-largest county by population in California. Its economy is heavily linked to agriculture and to petroleum extraction, and there is a strong aviation and space presence. Politically, it has generally...	780,117
primary census statistical area	673,170	Stockton, CA MSA	673,170	San Joaquin County, California San Joaquin County, California San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...	673,170
primary census statistical area	512,138	Modesto, CA MSA	512,138	Stanislaus County, California Stanislaus County, California Stanislaus County is a county located in the Central Valley of the U.S. state of California. As the price of housing has increased in the San Francisco Bay Area, many people who work in the southern reaches of the Bay Area have opted for the longer commute and moved to Stanislaus County for the...	512,138
primary census statistical area	419,909	Visalia-Porterville, CA MSA	419,909	Tulare County, California Tulare County, California Tulare County is a county located in the Central Valley of the U.S. state of California, south of Fresno. Sequoia National Park is located in the county, as are part of Kings Canyon National Park, in its northeast corner , and part of Mount Whitney, on its eastern border...	419,909
primary census statistical area	410,206	Salinas, CA MSA	410,206	Monterey County, California Monterey County, California Monterey County is a county located on the Pacific coast of the U.S. state of California, its northwestern section forming the southern half of Monterey Bay. The northern half of the bay is in Santa Cruz County. As of 2010, the population was 415,057. The county seat and largest city is Salinas...	410,206
primary census statistical area	400,335	Santa Barbara-Santa Maria-Goleta, CA MSA	400,335	Santa Barbara County, California Santa Barbara County, California Santa Barbara County is a county located in the southern portion of the U.S. state of California, on the Pacific coast. As of 2010 the county had a population of 423,895. The county seat is Santa Barbara and the largest city is Santa Maria.-History:...	400,335
primary census statistical area	257,005	San Luis Obispo-Paso Robles, CA MSA	257,005	San Luis Obispo County, California San Luis Obispo County, California San Luis Obispo County is a county located along the Pacific Ocean in the Central Coast of the U.S. state of California, between Los Angeles and the San Francisco Bay Area. As of the 2010 census its population was 269,637, up from 246,681 at the 2000 census...	257,005
primary census statistical area	245,658	Merced, CA MSA	245,658	Merced County, California Merced County, California Merced County , is a county located in the Central Valley of the U.S. state of California, north of Fresno and southeast of San Jose. As of the 2010 census, the population was 255,793, up from 210,554 at the 2000 census. The county seat is Merced...	245,658
primary census statistical area	215,881	Chico, CA MSA	215,881	Butte County, California Butte County, California Butte County is a county located in the Central Valley of the US state of California, north of the state capital of Sacramento. As of the 2010 census, it had a population of 220,000. The county seat is Oroville. Butte County is the "Land of Natural Wealth and Beauty."Butte County is watered by the...	215,881
primary census statistical area	179,951	Redding, CA MSA	179,951	Shasta County, California Shasta County, California Shasta County is a county located in the northern portion of the U.S. state of California. The county occupies the northern reaches of the Sacramento Valley, with portions extending into the southern reaches of the Cascade Range. As of the 2010 census, the population was 177,223, up from 163,256...	179,951
primary census statistical area	160,301	El Centro, CA MSA	160,301	Imperial County, California Imperial County, California Imperial County is a county located in the Imperial Valley, in the far southeast of the U.S. state of California, bordering both Arizona and Mexico. It is part of the El Centro Metropolitan Area, which encompasses all of Imperial County. The population as of 2000 was 142,361. The county seat is the...	160,301
primary census statistical area	146,153	Hanford-Corcoran, CA MSA	146,153	Kings County, California Kings County, California Kings County is a county located in the Central Valley of the U.S. state of California. It is located in a rich agricultural region. Kings County is also home to NAS Lemoore, which is the U.S. Navy's newest and largest master jet air station. The county seat is Hanford...	146,153
primary census statistical area	128,330	Eureka-Arcata-Fortuna, CA μSA	128,330	Humboldt County, California Humboldt County, California Humboldt County is a county in the U.S. state of California, located on the far North Coast 200 miles north of San Francisco. According to 2010 Census Data, the county’s population was 134,623...	128,330
primary census statistical area	88,109	Ukiah, CA μSA	88,109	Mendocino County, California Mendocino County, California Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of the 2010 census, the population was 87,841, up from 86,265 at the 2000 census...	88,109
primary census statistical area	65,933	Clearlake, CA μSA	65,933	Lake County, California Lake County, California Lake County is a county located in the north central portion of the U.S. state of California, north of the San Francisco Bay Area. It takes its name from Clear Lake, the dominant geographic feature in the county and the largest natural lake wholly within California...	65,933
primary census statistical area	61,686	Red Bluff, CA μSA	61,686	Tehama County, California Tehama County, California Tehama County is a county located in the northern part of the U.S. state of California. It is bisected by the Sacramento River. As of 2010 its population was 63,463, up from 56,039 as of 2000. The county seat is Red Bluff.-History:...	61,686
primary census statistical area	56,855	Phoenix Lake-Cedar Ridge, CA μSA	56,855	Tuolumne County, California Tuolumne County, California Tuolumne County is a county in the Sierra Nevada of the U.S. state of California. The northern half of Yosemite National Park is located in the eastern part of the county. As of the 2010 census, the population was 55,365, up from 54,501 at the 2000 census...	56,855
primary census statistical area	34,715	Susanville, CA μSA	34,715	Lassen County, California Lassen County, California Lassen County is a county located in the northeastern portion of the U.S. state of California. As of the 2010 census, the population was 34,895, up from 33,828 at the 2000 census...	34,715
primary census statistical area	28,893	Crescent City, CA μSA	28,893	Del Norte County, California Del Norte County, California Del Norte County is a county located at the far northwest corner of the U.S. state of California on the Pacific adjacent to the Oregon border. As of the 2010 census, it had a population of 28,610. The county seat is Crescent City, the county's only incorporated city. Del Norte is the abbreviated...	28,893
primary census statistical area	17,980	Bishop, CA μSA	17,980	Inyo County, California Inyo County, California -National protected areas:* Death Valley National Park * Inyo National Forest * Manzanar National Historic Site-Major highways:* U.S. Route 6* U.S. Route 395* State Route 127* State Route 136* State Route 168* State Route 178...	17,980
none				Calaveras County, California Calaveras County, California Calaveras County is a county located in the Gold Country of the U.S. state of California. Calaveras is the Spanish word for skulls; the county was reportedly named for the remains of Native Americans discovered by the Spanish explorer Captain Gabriel Moraga. As of the 2010 census, the county had a...	47,722
				Siskiyou County, California Siskiyou County, California Siskiyou County is a county located in the far northernmost part of the U.S. state of California, in the Shasta Cascade region on the Oregon border. Yreka is the county seat. Because of its substantial natural beauty, outdoor recreation opportunities, and Gold Rush era history, it is an important...	45,091
				Amador County, California Amador County, California Amador County is a county located in the Sierra Nevada of the U.S. state of California. As of the 2010 census, the population was 38,091. The county seat is Jackson.Amador County bills itself as "The Heart of the Mother Lode" and lies within the Gold Country...	38,941
				Glenn County, California Glenn County, California Glenn County is in the California Central Valley. As of 2010, it had a population of 28,122. The county seat is the city of Willows.-History:Glenn County was formed in 1891 from parts of Colusa County. It was named for Dr. Hugh J...	28,061
				Colusa County, California Colusa County, California Colusa County is a county located in the Central Valley of the U.S. state of California, northwest of state capital Sacramento. As of the 2010 census, its population was 21,419. The county seat is Colusa.-History:...	21,272
				Plumas County, California Plumas County, California Plumas County is a county located in the Sierra Nevada of the U.S. state of California. The county gets its name from the Spanish words for the Feather River , which flows through the county. As of the 2010 census, the population 20,007, down from 20,824 at the 2000 census...	21,263
				Mariposa County, California Mariposa County, California Mariposa County is a county in the U.S. state of California, located in the western foothills of the Sierra Nevada mountains. It lies north of Fresno, east of Merced, and southeast of Stockton. As of the 2010 census, the population was 18,251 up from 17,130 at the 2000 census...	18,401
				Trinity County, California Trinity County, California Trinity County is a large, rugged and mountainous, heavily forested county located in the northwestern portion of the U.S. state of California, along the Trinity River and within the Salmon/Klamath Mountains. It covers an area of over two million acres , and as of the 2010 census its population...	14,313
				Mono County, California Mono County, California Mono County is a county located in the east central portion of the U.S. state of California, to the east of the Sierra Nevada between Yosemite National Park and Nevada. As of the 2010 census, the population was 14,202, up from 12,853 at the 2000 census...	12,754
				Modoc County, California Modoc County, California Modoc County is a county located in the far northeast corner of the U.S. state of California, bounded by the state of Oregon to the north and the state of Nevada to the east. As of the 2010 census, its population was 9,686, up from 9,449 at the 2000 census. The current county seat is Alturas, the...	9,597
				Sierra County, California Sierra County, California Sierra County is a county located in the Sierra Nevada of the U.S. state of California, northeast of Sacramento on the border with Nevada. As of the 2010 census the population was 3,240, down from 3,555 at the 2000 census. The county seat is Downieville....	3,455
				Alpine County, California Alpine County, California Alpine County is the smallest county, by population, in the U.S. state of California. As of 2010, it had a population of 1,175, all rural. There are no incorporated cities in the county. The county seat is Markleeville...	1,180

External links

United States Census Bureau
- U.S. population estimates

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See also

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