List of counties in California

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Categories: Lists of U.S. counties by state | California counties

Image:California county map (labeled).svg

Counties of California

The U.S. state of California is divided into fifty-eight counties. Counties are responsible for all elections, property-tax collection, maintenance of public records such as deeds, and local-level courts within their borders, as well as providing law enforcement (through the county sheriff and sheriff's deputies) to areas that do not lie within incorporated cities.

The county is the default unit of local government (all parts of the state's land are allocated to one of the state's 58 counties). Each county has a Board of Supervisors and is subject to mandatory duties under state law to provide its residents with services like law enforcement, healthcare, road maintenance, and so on. Balancing a county's mandatory and discretionary duties is a very difficult task; any sufficiently injured county taxpayer has standing to sue the county to enforce certain duties where financial distress is no excuse, such as healthcare.

If residents of a sufficiently large piece of unincorporated county land do not like their county's resource allocation decisions, they can incorporate a city. The city government then takes some of the tax revenue that would have gone to the county, and can impose additional taxes on its residents. It can then choose to provide almost all the services usually provided by the county (and more), or provide only a few and pay the county to do the rest. A city in this last arrangement is called a contract city; this type of contract is generally known among lawyers as the "Lakewood Plan," because it was pioneered by the city of Lakewood in 1954.^[1]

The idea of "opting out" of county control in California has been taken to its logical extremes. Almost all of the city of Vernon is one large industrial zone, while almost all of the town of Los Altos Hills is zoned as residential.
Due to geographical variations in property tax and sales tax revenue (the primary revenue source for cities and counties) and differing attitudes towards priorities, there are interesting variations in the levels of various services from one city to the next. For example, the city of Santa Monica is far more generous when it comes to helping the homeless than other cities in Los Angeles County or the county government.
Also, county ordinances do not apply to cities unless they are ratified by each individual city. Thus, for instance, in Los Angeles County, a few cities have not ratified the ordinance requiring the posting of restaurant food safety ratings — even though it was passed many years ago — and in those cities, ratings need not be posted.
The state of California has one consolidated city-county, San Francisco. The city's board of supervisors govern both aspects, and there is both a city police department and a county sheriff, the latter mostly responsible for operating the county jail.

1 First establishment of California counties
2 Table of California counties
3 Defunct counties
4 See also
5 Notes
6 External links

First establishment of California counties

On January 4, 1850, the California constitutional committee recommended the formation of 18 counties. They were Benicia, Butte, Fremont, Los Angeles, Mariposa, Monterey, Mount Diablo, Oro, Redding, Sacramento, San Diego, San Francisco, San Joaquin, San Jose, San Luis Obispo, Santa Barbara, Sonoma, and Sutter. On April 22, the counties of Branciforte, Calaveras, Coloma, Colusi, Marin, Mendocino, Napa, Trinity, and Yuba were added. Benicia was renamed Solano, Coloma to El Dorado, Fremont to Yola, Mt. Diablo to Contra Costa, San Jose to Santa Clara, Oro to Tuolumne, and Redding to Shasta. One of the first state legislative acts regarding counties was to rename Branciforte County to Santa Cruz, Colusi to Colusa, and Yola to Yolo.

The last California county to have been established is Imperial County in 1907.

Table of California counties

The current number of counties was achieved over time by subdivision of many of the larger counties into smaller ones. The links in the column FIPS County Code are to the Census Bureau Info page for that county.

County	FIPS Code	County Seat	Created	Formed from	Etymology	Population	Area	Map
Alameda County	001	Oakland	1853	Parts of Contra Costa County and Santa Clara County.	Spanish word meaning a "cottonwood grove".	&&&&&&&&01443741.&&&&&01,443,741	&&&&&&&&&&&&0738.&&&&&0738 mi² (1,911 km²)	Image:Map of California highlighting Alameda County.svg
Alpine County	003	Markleeville	1864	Parts of Amador County, El Dorado County, Calaveras County, Mono County and Tuolumne County.	English word meaning "of, pertaining to, or connected with, the Alps".	&&&&&&&&&&&01208.&&&&&01,208	&&&&&&&&&&&&0739.&&&&&0739 sq mi (&&&&&&&&&&&01914.&&&&&01,914 km²)	Image:Map of California highlighting Alpine County.svg
Amador County	005	Jackson	1854	Part of Calaveras County.	Jose Maria Amador (1794-1883), a soldier, rancher and miner. In Spanish, the word amador means "lover of inanimate objects".	&&&&&&&&&&035100.&&&&&035,100	&&&&&&&&&&&&0593.&&&&&0593 sq mi (&&&&&&&&&&&01536.&&&&&01,536 km²)	Image:Map of California highlighting Amador County.svg
Butte County	007	Oroville	1850	One of the twenty-seven original counties.	From the Sutter Buttes, which lay within the county's borders at the time of its creation.	&&&&&&&&&0203171.&&&&&0203,171	&&&&&&&&&&&01640.&&&&&01,640 sq mi (&&&&&&&&&&&04248.&&&&&04,248 km²)
Calaveras County	009	San Andreas	1850	One of the twenty-seven original counties.	From the Calaveras River	&&&&&&&&&&040554.&&&&&040,554	&&&&&&&&&&&01020.&&&&&01,020 sq mi (&&&&&&&&&&&02642.&&&&&02,642 km²)	Image:Map of California highlighting Calaveras County.svg
Colusa County	011	Colusa	1850	One of the twenty-seven original counties.	From two Mexican land grants; Coluses (1844) and Colus (1845).	&&&&&&&&&&018804.&&&&&018,804	&&&&&&&&&&&01151.&&&&&01,151 sq mi (&&&&&&&&&&&02981.&&&&&02,981 km²)	Image:Map of California highlighting Colusa County.svg
Contra Costa County	013	Martinez	1850	One of the twenty-seven original counties.	Spanish for opposite coast, because Contra Costa County is across San Francisco Bay from San Francisco	&&&&&&&&&0948816.&&&&&0948,816	&&&&&&&&&&&&0720.&&&&&0720 sq mi (&&&&&&&&&&&01865.&&&&&01,865 km²)	Image:Map of California highlighting Contra Costa County.svg
Del Norte County	015	Crescent City	1857	Part of Klamath County.	Spanish for Northern, because Del Norte County is the northwesternmost county in the state.	&&&&&&&&&&027507.&&&&&027,507	&&&&&&&&&&&01008.&&&&&01,008 sq mi (&&&&&&&&&&&02611.&&&&&02,611 km²)	Image:Map of California highlighting Del Norte County.svg
El Dorado County	017	Placerville	1850	One of the twenty-seven original counties.	From the mythical El Dorado, The Gilded One, in relation to El Dorado County's importance in the California Gold Rush	&&&&&&&&&0156299.&&&&&0156,299	&&&&&&&&&&&01712.&&&&&01,712 sq mi (&&&&&&&&&&&04434.&&&&&04,434 km²)	Image:Map of California highlighting El Dorado County.svg
Fresno County	019	Fresno	1856	Parts of Mariposa County, Merced County and Tulare County.	From Fresno Creek. In Spanish, Fresno means "ash tree".	&&&&&&&&&0799407.&&&&&0799,407	&&&&&&&&&&&05963.&&&&&05,963 sq mi (&&&&&&&&&&015444.&&&&&015,444 km²)
Glenn County	021	Willows	1891	Part of Colusa County.	Named for Dr. Hugh J. Glenn (1824-1883), a California businessman and politician	&&&&&&&&&&026453.&&&&&026,453	&&&&&&&&&&&01315.&&&&&01,315 sq mi (&&&&&&&&&&&03406.&&&&&03,406 km²)	Image:Map of California highlighting Glenn County.svg
Humboldt County	023	Eureka	1853	Part of Trinity County.	From Humboldt Bay, named for Baron Alexander von Humboldt (1769-1859), a Prussian naturalist and explorer	&&&&&&&&&0126518.&&&&&0126,518	&&&&&&&&&&&03573.&&&&&03,573 sq mi (&&&&&&&&&&&09254.&&&&&09,254 km²)
Imperial County	025	El Centro	1907	Part of San Diego County.^[2]	From the Imperial Valley, which tooks its name from the Imperial Land Company	&&&&&&&&&0142361.&&&&&0142,361	&&&&&&&&&&&04175.&&&&&04,175 sq mi (&&&&&&&&&&010813.&&&&&010,813 km²)	Image:Map of California highlighting Imperial County.svg
Inyo County	027	Independence	1866	Parts of Mono County and Tulare County.	From a Native American word for dwelling place of the great spirit	&&&&&&&&&&017945.&&&&&017,945	&&&&&&&&&&010192.&&&&&010,192 sq mi (&&&&&&&&&&026397.&&&&&026,397 km²)	Image:Map of California highlighting Inyo County.svg
Kern County	029	Bakersfield	1866	Parts of Los Angeles County and Tulare County.	From the Kern River, named for Edward Kern, cartographer for General John C. Fremont's 1845 expedition	&&&&&&&&&0661645.&&&&&0661,645	&&&&&&&&&&&08142.&&&&&08,142 sq mi (&&&&&&&&&&021088.&&&&&021,088 km²)	Image:Map of California highlighting Kern County.svg
Kings County	031	Hanford	1893	Part of Tulare County.	From the Kings River	&&&&&&&&&0129461.&&&&&0129,461	&&&&&&&&&&&01390.&&&&&01,390 sq mi (&&&&&&&&&&&03600.&&&&&03,600 km²)	Image:Map of California highlighting Kings County.svg
Lake County	033	Lakeport	1861	Part of Napa County.	From Clear Lake.	&&&&&&&&&&058309.&&&&&058,309	&&&&&&&&&&&01258.&&&&&01,258 sq mi (&&&&&&&&&&&03258.&&&&&03,258 km²)
Lassen County	035	Susanville	1864	Parts of Plumas County and Shasta County, and part of now defunct Lake County, Nevada.	Named for Peter Lassen (1800-1859), a native of Denmark and an early explorer of the area.	&&&&&&&&&&033828.&&&&&033,828	&&&&&&&&&&&04558.&&&&&04,558 sq mi (&&&&&&&&&&011805.&&&&&011,805 km²)	Image:Map of California highlighting Lassen County.svg
Los Angeles County	037	Los Angeles	1850	One of the twenty-seven original counties.	Spanish for the angels	&&&&&&&&09519338.&&&&&09,519,338	&&&&&&&&&&&04060.&&&&&04,060 sq mi (&&&&&&&&&&010515.&&&&&010,515 km²)
Madera County	039	Madera	1893	Part of Fresno County.	Spanish for wood	&&&&&&&&&0123109.&&&&&0123,109	&&&&&&&&&&&02138.&&&&&02,138 sq mi (&&&&&&&&&&&05537.&&&&&05,537 km²)
Marin County	041	San Rafael	1850	One of the twenty-seven original counties.	Disputed	&&&&&&&&&0247289.&&&&&0247,289	&&&&&&&&&&&&0520.&&&&&0520 sq mi (&&&&&&&&&&&01347.&&&&&01,347 km²)	Image:Map of California highlighting Marin County.svg
Mariposa County	043	Mariposa	1850	One of the twenty-seven original counties.^[3]	Spanish for butterfly	&&&&&&&&&&017130.&&&&&017,130	&&&&&&&&&&&01451.&&&&&01,451 sq mi (&&&&&&&&&&&03758.&&&&&03,758 km²)	Image:Map of California highlighting Mariposa County.svg
Mendocino County	045	Ukiah	1850	One of the twenty-seven original counties.	From Cape Mendocino, named probably for either Antonio de Mendoza or Lorenzo Suárez de Mendoza, viceroys of New Spain	&&&&&&&&&&086265.&&&&&086,265	&&&&&&&&&&&03509.&&&&&03,509 sq mi (&&&&&&&&&&&09088.&&&&&09,088 km²)	Image:Map of California highlighting Mendocino County.svg
Merced County	047	Merced	1855	Part of Mariposa County.	From the Merced River, or in Spanish El Río de Nuestra Señora de la Merced (River of Our Lady of Mercy); named in 1806 by an expedition headed by Gabriel Moraga	&&&&&&&&&0210554.&&&&&0210,554	&&&&&&&&&&&01929.&&&&&01,929 sq mi (&&&&&&&&&&&04996.&&&&&04,996 km²)
Modoc County	049	Alturas	1874	Part of Siskiyou County.	From the Native American Modoc people	&&&&&&&&&&&09449.&&&&&09,449	&&&&&&&&&&&03944.&&&&&03,944 sq mi (&&&&&&&&&&010215.&&&&&010,215 km²)	Image:Map of California highlighting Modoc County.svg
Mono County	051	Bridgeport	1861	Parts of Calaveras County, Fresno County and Mariposa County.	-	&&&&&&&&&&012853.&&&&&012,853	&&&&&&&&&&&03044.&&&&&03,044 sq mi (&&&&&&&&&&&07884.&&&&&07,884 km²)	Image:Map of California highlighting Mono County.svg
Monterey County	053	Salinas	1850	One of the twenty-seven original counties.	From Monterey Bay. The name itself is composed of the Spanish words monte (hill) and rey (king)	&&&&&&&&&0401762.&&&&&0401,762	&&&&&&&&&&&03322.&&&&&03,322 sq mi (&&&&&&&&&&&08604.&&&&&08,604 km²)
Napa County	055	Napa	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0124279.&&&&&0124,279	&&&&&&&&&&&&0754.&&&&&0754 sq mi (&&&&&&&&&&&01953.&&&&&01,953 km²)
Nevada County	057	Nevada City	1851	Part of Yuba County.	-	&&&&&&&&&&092033.&&&&&092,033	&&&&&&&&&&&&0958.&&&&&0958 sq mi (&&&&&&&&&&&02481.&&&&&02,481 km²)
Orange County	059	Santa Ana	1889	Part of Los Angeles County.	From the citrus fruit widely grown in the region at the time the county was formed	&&&&&&&&02846289.&&&&&02,846,289	&&&&&&&&&&&&0790.&&&&&0790 sq mi (&&&&&&&&&&&02046.&&&&&02,046 km²)
Placer County	061	Auburn	1851	Parts of Sutter County and Yuba County.	-	&&&&&&&&&0307004.&&&&&0307,004	&&&&&&&&&&&01503.&&&&&01,503 sq mi (&&&&&&&&&&&03893.&&&&&03,893 km²)	Image:Map of California highlighting Placer County.svg
Plumas County	063	Quincy	1854	Part of Butte County.	-	&&&&&&&&&&020824.&&&&&020,824	&&&&&&&&&&&02554.&&&&&02,554 sq mi (&&&&&&&&&&&06615.&&&&&06,615 km²)	Image:Map of California highlighting Plumas County.svg
Riverside County	065	Riverside	1893	Parts of San Bernardino County and San Diego County.	From the city of Riverside being alongside the Santa Ana River	&&&&&&&&01545387.&&&&&01,545,387	&&&&&&&&&&&07208.&&&&&07,208 sq mi (&&&&&&&&&&018669.&&&&&018,669 km²)
Sacramento County	067	Sacramento	1850	One of the twenty-seven original counties.	From the Sacramento River, itself named for the Santisimo Sacramento (Spanish for Most Holy Sacrament) a reference to the Eucharist	&&&&&&&&01223499.&&&&&01,223,499	&&&&&&&&&&&&0966.&&&&&0966 sq mi (&&&&&&&&&&&02502.&&&&&02,502 km²)
San Benito County	069	Hollister	1874	Part of Monterey County.	-	&&&&&&&&&&053234.&&&&&053,234	&&&&&&&&&&&01389.&&&&&01,389 sq mi (&&&&&&&&&&&03597.&&&&&03,597 km²)
San Bernardino County	071	San Bernardino	1853	Part of Los Angeles County.	Named for Saint Bernardino of Siena	&&&&&&&&01709434.&&&&&01,709,434	&&&&&&&&&&020062.&&&&&020,062 sq mi (&&&&&&&&&&051960.&&&&&051,960 km²)
San Diego County	073	San Diego	1850	One of the twenty-seven original counties.	Named for San Diego Bay, itself named for Saint Didacus of Alcalá, or San Diego de Alcalá in Spanish	&&&&&&&&02813833.&&&&&02,813,833	&&&&&&&&&&&04204.&&&&&04,204 sq mi (&&&&&&&&&&010888.&&&&&010,888 km²)
San Francisco County	075	San Francisco	1850	One of the twenty-seven original counties.	Francis of Assisi (1181-1226), a Roman Catholic saint and founder of the Order of Friars Minor (Franciscans)	&&&&&&&&&0776733.&&&&&0776,733	&&&&&&&&&&&&&047.&&&&&047 sq mi (&&&&&&&&&&&&0122.&&&&&0122 km²)	Image:Map of California highlighting San Francisco County.svg
San Joaquin County	077	Stockton	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0563598.&&&&&0563,598	&&&&&&&&&&&01399.&&&&&01,399 sq mi (&&&&&&&&&&&03623.&&&&&03,623 km²)	Image:Map of California highlighting San Joaquin County.svg
San Luis Obispo County	079	San Luis Obispo	1850	One of the twenty-seven original counties.	Spanish for St. Louis, the Bishop.	&&&&&&&&&0246681.&&&&&0246,681	&&&&&&&&&&&03304.&&&&&03,304 sq mi (&&&&&&&&&&&08557.&&&&&08,557 km²)
San Mateo County	081	Redwood City	1856	Part of San Francisco County.	-	&&&&&&&&&0707161.&&&&&0707,161	&&&&&&&&&&&&0449.&&&&&0449 sq mi (&&&&&&&&&&&01163.&&&&&01,163 km²)	Image:Map of California highlighting San Mateo County.svg
Santa Barbara County	083	Santa Barbara	1850	One of the twenty-seven original counties.	Spanish for Saint Barbara	&&&&&&&&&0399347.&&&&&0399,347	&&&&&&&&&&&02738.&&&&&02,738 sq mi (&&&&&&&&&&&07091.&&&&&07,091 km²)
Santa Clara County	085	San Jose	1850	One of the twenty-seven original counties.	-	&&&&&&&&01682585.&&&&&01,682,585	&&&&&&&&&&&01291.&&&&&01,291 sq mi (&&&&&&&&&&&03344.&&&&&03,344 km²)	Image:Map of California highlighting Santa Clara County.svg
Santa Cruz County	087	Santa Cruz	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0255602.&&&&&0255,602	&&&&&&&&&&&&0446.&&&&&0446 sq mi (&&&&&&&&&&&01155.&&&&&01,155 km²)
Shasta County	089	Redding	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0163256.&&&&&0163,256	&&&&&&&&&&&03786.&&&&&03,786 sq mi (&&&&&&&&&&&09806.&&&&&09,806 km²)	Image:Map of California highlighting Shasta County.svg
Sierra County	091	Downieville	1852	Part of Yuba County.	-	&&&&&&&&&&&03555.&&&&&03,555	&&&&&&&&&&&&0953.&&&&&0953 sq mi (&&&&&&&&&&&02468.&&&&&02,468 km²)
Siskiyou County	093	Yreka	1852	Parts of Shasta County and Klamath County.	County named after Siskiyou Mountain Range; etymology of Siskiyou is disputed	&&&&&&&&&&044301.&&&&&044,301	&&&&&&&&&&&06287.&&&&&06,287 sq mi (&&&&&&&&&&016283.&&&&&016,283 km²)	Image:Map of California highlighting Siskiyou County.svg
Solano County	095	Fairfield	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0394542.&&&&&0394,542	&&&&&&&&&&&&0828.&&&&&0828 sq mi (&&&&&&&&&&&02145.&&&&&02,145 km²)	Image:Map of California highlighting Solano County.svg
Sonoma County	097	Santa Rosa	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0458614.&&&&&0458,614	&&&&&&&&&&&01576.&&&&&01,576 sq mi (&&&&&&&&&&&04082.&&&&&04,082 km²)	Image:Map of California highlighting Sonoma County.svg
Stanislaus County	099	Modesto	1854	Part of Tuolumne County.	-	&&&&&&&&&0446997.&&&&&0446,997	&&&&&&&&&&&01495.&&&&&01,495 sq mi (&&&&&&&&&&&03872.&&&&&03,872 km²)	Image:Map of California highlighting Stanislaus County.svg
Sutter County	101	Yuba City	1850	One of the twenty-seven original counties.	Named for Johann Augustus Sutter (a.k.a. John Sutter) (1803–1880), a Swiss pioneer of California known for his association with the California Gold Rush	&&&&&&&&&&078930.&&&&&078,930	&&&&&&&&&&&&0603.&&&&&0603 sq mi (&&&&&&&&&&&01562.&&&&&01,562 km²)	Image:Map of California highlighting Sutter County.svg
Tehama County	103	Red Bluff	1856	Parts of Butte County, Colusa County and Shasta County.	-	&&&&&&&&&&056039.&&&&&056,039	&&&&&&&&&&&02951.&&&&&02,951 sq mi (&&&&&&&&&&&07643.&&&&&07,643 km²)	Image:Map of California highlighting Tehama County.svg
Trinity County	105	Weaverville	1850	One of the twenty-seven original counties.	-	&&&&&&&&&&013022.&&&&&013,022	&&&&&&&&&&&03179.&&&&&03,179 sq mi (&&&&&&&&&&&08234.&&&&&08,234 km²)	Image:Map of California highlighting Trinity County.svg
Tulare County	107	Visalia	1852	Part of Mariposa County.	-	&&&&&&&&&0368021.&&&&&0368,021	&&&&&&&&&&&04824.&&&&&04,824 sq mi (&&&&&&&&&&012494.&&&&&012,494 km²)	Image:Map of California highlighting Tulare County.svg
Tuolumne County	109	Sonora	1850	One of the twenty-seven original counties.	-	&&&&&&&&&&054501.&&&&&054,501	&&&&&&&&&&&02236.&&&&&02,236 sq mi (&&&&&&&&&&&05791.&&&&&05,791 km²)	Image:Map of California highlighting Tuolumne County.svg
Ventura County	111	Ventura	1872	Part of Santa Barbara County.	Abbreviation of San Buenaventura, Spanish for St. Bonaventure.	&&&&&&&&&0753197.&&&&&0753,197	&&&&&&&&&&&01846.&&&&&01,846 sq mi (&&&&&&&&&&&04781.&&&&&04,781 km²)	Image:Map of California highlighting Ventura County.svg
Yolo County	113	Woodland	1850	One of the twenty-seven original counties.	-	&&&&&&&&&0168660.&&&&&0168,660	&&&&&&&&&&&01012.&&&&&01,012 sq mi (&&&&&&&&&&&02621.&&&&&02,621 km²)
Yuba County	115	Marysville	1850	One of the twenty-seven original counties.	-	&&&&&&&&&&071938.&&&&&071,938	&&&&&&&&&&&&0630.&&&&&0630 sq mi (&&&&&&&&&&&01632.&&&&&01,632 km²)	Image:Map of California highlighting Yuba County.svg

Defunct counties

Klamath County was created in 1851 from the northern half of Trinity County, but in 1874 it was divided between Humboldt and Siskiyou counties. Part of the county's territory went to Del Norte in 1857.
Pautah County was created in 1852 out of territory which, the state of California assumed, was to be ceded to it by the United States Congress from territory in what is now the state of Nevada. When the cession never occurred, the California State Legislature officially abolished the never-created county in 1859.

Notes

^ Reynolds, 48-49.
^ The most recent county formed.
^ Mariposa County was the largest of the state's original counties, but territory that was once part of Mariposa is now part of 12 other counties -- Fresno, Inyo, Kern, Kings, Los Angeles, Madera, Merced, Mono, San Benito, San Bernardino, San Luis Obispo, and Tulare.

External links

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