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.

CountyCounty SeatPopulationArea Formed
Alameda CountyOakland1638215738 sq mi1853
Alpine CountyMarkleeville1110739 sq mi1864
Amador CountyJackson37001606 sq mi1854
Butte CountyOroville2254111,640 sq mi1850
Calaveras CountySan Andreas448281,020 sq mi1850
City and County of San FranciscoSan Francisco86481647 sq mi1850
Colusa CountyColusa214821,151 sq mi1850
Contra Costa CountyMartinez1126745720 sq mi1850
Del Norte CountyCrescent City272541,008 sq mi1857
El Dorado CountyPlacerville1844521,712 sq mi1850
Fresno CountyFresno9748615,963 sq mi1856
Glenn CountyWillows280171,315 sq mi1891
Humboldt CountyEureka1357273,573 sq mi1853
Imperial CountyEl Centro1801914,175 sq mi1907
Inyo CountyIndependence1826010,192 sq mi1866
Kern CountyBakersfield8821768,142 sq mi1866
Kings CountyHanford1509651,390 sq mi1893
Lake CountyLakeport645911,258 sq mi1861
Lassen CountySusanville313454,558 sq mi1864
Los Angeles CountyLos Angeles101702924,060 sq mi1850
Madera CountyMadera1549982,138 sq mi1893
Marin CountySan Rafael261221520 sq mi1850
Mariposa CountyMariposa175311,451 sq mi1850
Mendocino CountyUkiah876493,509 sq mi1850
Merced CountyMerced2684551,929 sq mi1855
Modoc CountyAlturas89653,944 sq mi1874
Mono CountyBridgeport139093,044 sq mi1861
Monterey CountySalinas4338983,322 sq mi1850
Napa CountyNapa142456754 sq mi1850
Nevada CountyNevada City98877958 sq mi1851
Orange CountySanta Ana3169776790 sq mi1889
Placer CountyAuburn3753911,503 sq mi1851
Plumas CountyQuincy184092,554 sq mi1854
Riverside CountyRiverside23610267,208 sq mi1893
Sacramento CountySacramento1501335966 sq mi1850
San Benito CountyHollister587921,389 sq mi1874
San Bernardino CountySan Bernardino212813320,062 sq mi1853
San Diego CountySan Diego32995214,204 sq mi1850
San Joaquin CountyStockton7261061,399 sq mi1850
San Luis Obispo CountySan Luis Obispo2814013,304 sq mi1850
San Mateo CountyRedwood City765135449 sq mi1856
Santa Barbara CountySanta Barbara4447692,738 sq mi1850
Santa Clara CountySan Jose19180441,291 sq mi1850
Santa Cruz CountySanta Cruz274146446 sq mi1850
Shasta CountyRedding1795333,786 sq mi1850
Sierra CountyDownieville2967953 sq mi1852
Siskiyou CountyYreka435546,287 sq mi1852
Solano CountyFairfield436092828 sq mi1850
Sonoma CountySanta Rosa5021461,576 sq mi1850
Stanislaus CountyModesto5383881,495 sq mi1854
Sutter CountyYuba City96463603 sq mi1850
Tehama CountyRed Bluff633082,951 sq mi1856
Trinity CountyWeaverville130693,179 sq mi1850
Tulare CountyVisalia4598634,824 sq mi1852
Tuolumne CountySonora537092,236 sq mi1850
Ventura CountyVentura8505361,846 sq mi1872
Yolo CountyWoodland2130161,012 sq mi1850
Yuba CountyMarysville74492630 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