California County Map, List of Counties in California with Seats

The U.S. state of California is divided into 58 counties. Explore the California County Map showing Counties in California along with their County Seats in alphabetical order along with their population, areas and the date of formation.

California County Map

About California County

One of the states of U.S.A namely California has a wonderful nick name and it is called as Natural state because it has got beautiful lakes, rivers mountains and wildlife. California is located in South Central part of United States. The capital of state is Little Rock. The state shares the border with other six states, Missouri is located to the north of the state, while Louisiana is in to the south, Texas which is also known as Lone star state is towards southwest and Oklahoma in the west and Tennessee and Mississippi are to the east. The number of Counties in California is 58. Among all counties of California, Union County is the biggest county by area while Calhoun is the smallest county.

California has got 52035 square meter area and 134771 square kilometres. According to official census taken back in the year 2010 the population was 2,915,918 in California state that awarded the state as the 32nd largest state in the U.S.A The estimated population of state now is 3,033,946. Pulaski county indeed ranks first in terms of most populated county in the state. Less density of population could be found in Calhoun County. The counties in California follow Federal government at the centre and the political power in the state is divided into three branches, they are legislative, executive and judiciary.

The natural resources of California are petroleum, natural gas and coal. The counties of California are encouraged to produce bauxite with which aluminium. In fact, California is one of the worlds` largest producer of bromine that is used in the production of pesticides, medications and water purification. California is one and only state that mines diamonds in US.

List of Counties in California with County Seats

The U.S. state of California has 58 counties. This is list of California Counties and County Seats in alphabetical order and check their population, areas and the date of formation. Click on any county for its detailed Map

S.NCountyCounty SeatPopulationAreaFormed
1Alameda CountyOakland1,638,215738 sq mi1853
2Alpine CountyMarkleeville1,110739 sq mi1864
3Amador CountyJackson37,001606 sq mi1854
4Butte CountyOroville225,4111,640 sq mi1850
5Calaveras CountySan Andreas44,8281,020 sq mi1850
6City and County of San FranciscoSan Francisco864,81647 sq mi1850
7Colusa CountyColusa21,4821,151 sq mi1850
8Contra Costa CountyMartinez1,126,745720 sq mi1850
9Del Norte CountyCrescent City27,2541,008 sq mi1857
10El Dorado CountyPlacerville184,4521,712 sq mi1850
11Fresno CountyFresno974,8615,963 sq mi1856
12Glenn CountyWillows28,0171,315 sq mi1891
13Humboldt CountyEureka135,7273,573 sq mi1853
14Imperial CountyEl Centro180,1914,175 sq mi1907
15Inyo CountyIndependence18,26010,192 sq mi1866
16Kern CountyBakersfield882,1768,142 sq mi1866
17Kings CountyHanford150,9651,390 sq mi1893
18Lake CountyLakeport64,5911,258 sq mi1861
19Lassen CountySusanville31,3454,558 sq mi1864
20Los Angeles CountyLos Angeles10,170,2924,060 sq mi1850
21Madera CountyMadera154,9982,138 sq mi1893
22Marin CountySan Rafael261,221520 sq mi1850
23Mariposa CountyMariposa17,5311,451 sq mi1850
24Mendocino CountyUkiah87,6493,509 sq mi1850
25Merced CountyMerced268,4551,929 sq mi1855
26Modoc CountyAlturas8,9653,944 sq mi1874
27Mono CountyBridgeport13,9093,044 sq mi1861
28Monterey CountySalinas433,8983,322 sq mi1850
29Napa CountyNapa142,456754 sq mi1850
30Nevada CountyNevada City98,877958 sq mi1851
31Orange CountySanta Ana3,169,776790 sq mi1889
32Placer CountyAuburn375,3911,503 sq mi1851
33Plumas CountyQuincy18,4092,554 sq mi1854
34Riverside CountyRiverside2,361,0267,208 sq mi1893
35Sacramento CountySacramento1,501,335966 sq mi1850
36San Benito CountyHollister58,7921,389 sq mi1874
37San Bernardino CountySan Bernardino2,128,13320,062 sq mi1853
38San Diego CountySan Diego3,299,5214,204 sq mi1850
39San Joaquin CountyStockton726,1061,399 sq mi1850
40San Luis Obispo CountySan Luis Obispo281,4013,304 sq mi1850
41San Mateo CountyRedwood City765,135449 sq mi1856
42Santa Barbara CountySanta Barbara444,7692,738 sq mi1850
43Santa Clara CountySan Jose1,918,0441,291 sq mi1850
44Santa Cruz CountySanta Cruz274,146446 sq mi1850
45Shasta CountyRedding179,5333,786 sq mi1850
46Sierra CountyDownieville2,967953 sq mi1852
47Siskiyou CountyYreka43,5546,287 sq mi1852
48Solano CountyFairfield436,092828 sq mi1850
49Sonoma CountySanta Rosa502,1461,576 sq mi1850
50Stanislaus CountyModesto538,3881,495 sq mi1854
51Sutter CountyYuba City96,463603 sq mi1850
52Tehama CountyRed Bluff63,3082,951 sq mi1856
53Trinity CountyWeaverville13,0693,179 sq mi1850
54Tulare CountyVisalia459,8634,824 sq mi1852
55Tuolumne CountySonora53,7092,236 sq mi1850
56Ventura CountyVentura850,5361,846 sq mi1872
57Yolo CountyWoodland213,0161,012 sq mi1850
58Yuba CountyMarysville74,492630 sq mi1850

Largest Cities in California by County

This is a list of the 25 largest cities in the U.S. State of California with their county ranked by population.

RankCityCountyPopulation (2020 Census)
1Los AngelesLos Angeles County3,898,747
2San DiegoSan Diego County1,386,932
3San JoseSanta Clara County1,013,240
4San FranciscoSan Francisco County873,965
5FresnoFresno County542,107
6SacramentoSacramento County524,943
7Long BeachLos Angeles County466,742
8OaklandAlameda County440,646
9BakersfieldKern County403,455
10AnaheimOrange County346,824
11StocktonSan Joaquin County320,804
12RiversideRiverside County314,998
13Santa AnaOrange County310,227
14IrvineOrange County307,670
15Chula VistaSan Diego County275,487
16FremontAlameda County230,504
17Santa ClaritaLos Angeles County228,673
18San BernardinoSan Bernardino County222,101
19ModestoStanislaus County218,464
20Moreno ValleyRiverside County208,634
21FontanaSan Bernardino County208,393
22OxnardVentura County202,063
23Huntington BeachOrange County198,711
24GlendaleLos Angeles County196,543
25Santa RosaSonoma County178,127