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California County Maps

California is the third largest state in the United States. The state is made up of 58 counties and 481 incorporated cities and towns. Alameda County, Contra Costa County, Orange County, and San Bernardino County are some of the major counties in California.


The local government of the state of California is made up of 481 incorporated cities and towns and 58 counties. Out of the 481 incorporated cities and towns, 22 are towns and 459 are cities. As laid down by the California law, the expressions "town" and "city" are clearly similar

Major California Counties
Given below is a list of major California Counties with their areas and population:
California County Maps
Counties County Seat Area Population
Alameda County Oakland 738 sq mi 1,510,271
Alpine County Markleeville 739 sq mi 1,175
Amador County Jackson 593 sq mi 38,091
Butte County Oroville 1,640 sq mi 220,000
Calaveras County San Andreas 1,020 sq mi 45,578
Colusa County Colusa 1,151 sq mi 21,419
Contra Costa County Martinez 720 sq mi 1,049,025
Del Norte County Crescent City 1,008 sq mi 28,610
El Dorado County Placerville 1,712 sq mi 181,058
Fresno County Fresno 5,963 sq mi 930,450
Glenn County Willows 1,315 sq mi 28,122
Humboldt County Eureka 3,573 sq mi 134,623
Imperial County El Centro 4,175 sq mi 174,528
Inyo County Independence 10,192 sq mi 18,546
Kern County Bakersfield 8,142 sq mi 839,631
Kings County Hanford 1,390 sq mi 152,982
Lake County Lakeport 1,258 sq mi 64,665
Lassen County Susanville 4,558 sq mi 34,895
Los Angeles County Los Angeles 4,060 sq mi 9,818,605
Madera County Madera 2,138 sq mi 150,865
Marin County San Rafael 520 sq mi 252,409
Mariposa County Mariposa 1,451 sq mi 18,251
Mendocino County Ukiah 3,509 sq mi 87,841
Merced County Merced 1,929 sq mi 255,793
Modoc County Alturas 3,944 sq mi 9,686
Mono County Bridgeport 3,044 sq mi 14,202
Monterey County Salinas 3,322 sq mi 415,057
Napa County Napa 754 sq mi 136,484
Nevada County Nevada City 958 sq mi 98,764
Orange County Santa Ana 790 sq mi 3,010,232
Placer County Auburn 1,503 sq mi 348,432
Plumas County Quincy 2,554 sq mi 20,007
Riverside County Riverside 7,208 sq mi 2,189,641
Sacramento County Sacramento 966 sq mi 1,418,788
San Benito County Hollister 1,389 sq mi 55,269
San Bernardino County San Bernardino 20,062 sq mi 2,035,210
San Diego County San Diego 4,204 sq mi 3,095,313
San Francisco County San Francisco 47 sq mi 805,235
San Joaquin County Stockton 1,399 sq mi 685,306
San Luis Obispo County San Luis Obispo 3,304 sq mi 269,637
San Mateo County Redwood City 449 sq mi 718,451
Santa Barbara County Santa Barbara 2,738 sq mi 423,895
Santa Clara County San Jose 1,291 sq mi 1,781,642
Santa Cruz County Santa Cruz 446 sq mi 262,382
Shasta County Redding 3,786 sq mi 177,223
Sierra County Downieville 953 sq mi 3,240
Siskiyou County Yreka 6,287 sq mi 44,900
Solano County Fairfield 828 sq mi 413,344
Sonoma County Santa Rosa 1,576 sq mi 483,878
Stanislaus County Modesto 1,495 sq mi 514,453
Sutter County Yuba City 603 sq mi 94,737
Tehama County Red Bluff 2,951 sq mi 63,463
Trinity County Weaverville 3,179 sq mi 13,786
Tulare County Visalia 4,824 sq mi 442,179
Tuolumne County Sonora 2,236 sq mi 55,365
Ventura County Ventura 1,846 sq mi 823,318
Yolo County Woodland 1,012 sq mi 200,849
Yuba County Marysville 630 sq mi 72,155