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California County Map

Below is a visual layout of all counties in the state of California. There are a total of 59 counties in the State of California.

Interactive IL County Map

List of California Counties

CountySeatEst.Population
Alameda CountyOakland18531,663,190
Alpine CountyMarkleeville18641,120
Amador CountyJackson185438,626
Butte CountyOroville1850229,294
Calaveras CountySan Andreas185045,670
Colusa CountyColusa185021,805
Contra Costa CountyMartinez18501,147,439
Del Norte CountyCrescent City185727,470
El Dorado CountyPlacerville1850188,987
Fresno CountyFresno1856989,255
Glenn CountyWillows189128,094
Humboldt CountyEureka1853136,754
Imperial CountyEl Centro1907182,830
Inyo CountyIndependence186618,026
Kern CountyBakersfield1866893,119
Kings CountyHanford1893150,101
Lake CountyLakeport186164,246
Lassen CountySusanville186431,163
Los Angeles CountyLos Angeles185010,163,507
Madera CountyMadera1893156,890
Marin CountySan Rafael1850260,955
Mariposa CountyMariposa185017,569
Mendocino CountyUkiah185088,018
Merced CountyMerced1855272,673
Modoc CountyAlturas18748,859
Mono CountyBridgeport186114,168
Monterey CountySalinas1850437,907
Napa CountyNapa1850140,973
Nevada CountyNevada City185199,814
Orange CountySanta Ana18893,190,400
Placer CountyAuburn1851386,166
Plumas CountyQuincy185418,742
Riverside CountyRiverside18932,423,266
Sacramento CountySacramento18501,530,615
San Benito CountyHollister187460,310
San Bernardino CountySan Bernardino18532,157,404
San Diego CountySan Diego18503,337,685
San FranciscoSan Francisco1850884,363
San Joaquin CountyStockton1850745,424
San Luis Obispo CountySan Luis Obispo1850283,405
San Mateo CountyRedwood City1856771,410
Santa Barbara CountySanta Barbara1850448,150
Santa Clara CountySan Jose18501,938,153
Santa Cruz CountySanta Cruz1850275,897
Shasta CountyRedding1850179,921
Sierra CountyDownieville18522,999
Siskiyou CountyYreka185243,853
Solano CountyFairfield1850445,458
Sonoma CountySanta Rosa1850504,217
Stanislaus CountyModesto1854547,899
Sutter CountyYuba City185096,648
Tehama CountyRed Bluff185663,926
Trinity CountyWeaverville185012,709
Tulare CountyVisalia1852464,493
Tuolumne CountySonora185054,248
Ventura CountyVentura1872854,223
Yolo CountyWoodland1850219,116
Yuba CountyMarysville185077,031