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About the map

California State Map Extent

This California county map displays its 58 counties. If you counted all counties for each state in the United States, California ranks 27th. Despite having a population more than Canada, it only has 58 counties!

Think about it: If California left the United States, it would be the world’s 7th most superpower. So, this means that California has some of the most populated counties in all of America. In fact, Los Angeles has the highest population in the US with over 10 million people. That’s almost more than double the second-highest populated county, Cook County in Illinois.

Then, San Diego, Orange, and Riverside County have the next highest population in California. But for size, San Bernardino, Inyo, and Kern County have the highest areas in California. As for the smallest area, San Francisco county is just 46.1 square miles. But it remains a hub for innovation in technology and digital transformation.

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California county list

County Name Population (2020 est) County Map Area (sq mi) Locator Map FIPS Code
Alameda County 1,662,323
Alameda County Map California
Alameda County
744.5
Alameda County Map California Locator
Alameda County Map
6001
Alpine County 1,119
Alpine County Map California
Alpine County
740.1
Alpine County Map California Locator
Alpine County Map
6003
Amador County 40,083
Amador County Map California
Amador County
600.4
Amador County Map California Locator
Amador County Map
6005
Butte County 212,744
Butte County Map California
Butte County
1679
Butte County Map California Locator
Butte County Map
6007
Calaveras County 46,308
Calaveras County Map California
Calaveras County
1036.3
Calaveras County Map California Locator
Calaveras County Map
6009
Colusa County 21,558
Colusa County Map California
Colusa County
1158.9
Colusa County Map California Locator
Colusa County Map
6011
Contra Costa County 1,152,333
Contra Costa County Map California
Contra Costa County
733.7
Contra Costa County Map California Locator
Contra Costa County Map
6013
Del Norte County 27,968
Del Norte County Map California
Del Norte County
1013.2
Del Norte County Map California Locator
Del Norte County Map
6015
El Dorado County 192,925
El Dorado County Map California
El Dorado County
1788.5
El Dorado County Map California Locator
El Dorado County Map
6017
Fresno County 1,000,918
Fresno County Map California
Fresno County
6010.8
Fresno County Map California Locator
Fresno County Map
6019
Glenn County 28,283
Glenn County Map California
Glenn County
1323.3
Glenn County Map California Locator
Glenn County Map
6021
Humboldt County 134,977
Humboldt County Map California
Humboldt County
3584.4
Humboldt County Map California Locator
Humboldt County Map
6023
Imperial County 180,267
Imperial County Map California
Imperial County
4495.6
Imperial County Map California Locator
Imperial County Map
6025
Inyo County 18,046
Inyo County Map California
Inyo County
10223.4
Inyo County Map California Locator
Inyo County Map
6027
Kern County 901,362
Kern County Map California
Kern County
8156.5
Kern County Map California Locator
Kern County Map
6029
Kings County 152,692
Kings County Map California
Kings County
1387.3
Kings County Map California Locator
Kings County Map
6031
Lake County 64,479
Lake County Map California
Lake County
1331.8
Lake County Map California Locator
Lake County Map
6033
Lassen County 30,016
Lassen County Map California
Lassen County
4718.5
Lassen County Map California Locator
Lassen County Map
6035
Los Angeles County 9,943,046
Los Angeles County Map California
Los Angeles County
4079.5
Los Angeles County Map California Locator
Los Angeles County Map
6037
Madera County 157,761
Madera County Map California
Madera County
2151.8
Madera County Map California Locator
Madera County Map
6039
Marin County 257,332
Marin County Map California
Marin County
526.4
Marin County Map California Locator
Marin County Map
6041
Mariposa County 17,160
Mariposa County Map California
Mariposa County
1463.7
Mariposa County Map California Locator
Mariposa County Map
6043
Mendocino County 86,061
Mendocino County Map California
Mendocino County
3513.9
Mendocino County Map California Locator
Mendocino County Map
6045
Merced County 279,252
Merced County Map California
Merced County
1972.8
Merced County Map California Locator
Merced County Map
6047
Modoc County 8,763
Modoc County Map California
Modoc County
4201.3
Modoc County Map California Locator
Modoc County Map
6049
Mono County 14,534
Mono County Map California
Mono County
3127.5
Mono County Map California Locator
Mono County Map
6051
Monterey County 430,906
Monterey County Map California
Monterey County
3313.2
Monterey County Map California Locator
Monterey County Map
6053
Napa County 135,965
Napa County Map California
Napa County
785.4
Napa County Map California Locator
Napa County Map
6055
Nevada County 99,606
Nevada County Map California
Nevada County
978.5
Nevada County Map California Locator
Nevada County Map
6057
Orange County 3,166,857
Orange County Map California
Orange County
797.2
Orange County Map California Locator
Orange County Map
6059
Placer County 402,950
Placer County Map California
Placer County
1498.8
Placer County Map California Locator
Placer County Map
6061
Plumas County 18,967
Plumas County Map California
Plumas County
2613
Plumas County Map California Locator
Plumas County Map
6063
Riverside County 2,489,188
Riverside County Map California
Riverside County
7316.2
Riverside County Map California Locator
Riverside County Map
6065
Sacramento County 1,559,146
Sacramento County Map California
Sacramento County
985.7
Sacramento County Map California Locator
Sacramento County Map
6067
San Benito County 64,055
San Benito County Map California
San Benito County
1393.5
San Benito County Map California Locator
San Benito County Map
6069
San Bernardino County 2,189,183
San Bernardino County Map California
San Bernardino County
20097.8
San Bernardino County Map California Locator
San Bernardino County Map
6071
San Diego County 3,332,427
San Diego County Map California
San Diego County
4243.4
San Diego County Map California Locator
San Diego County Map
6073
San Francisco County 866,606
San Francisco County Map California
San Francisco County
48.1
San Francisco County Map California Locator
San Francisco County Map
6075
San Joaquin County 767,967
San Joaquin County Map California
San Joaquin County
1427.8
San Joaquin County Map California Locator
San Joaquin County Map
6077
San Luis Obispo County 282,249
San Luis Obispo County Map California
San Luis Obispo County
3310.2
San Luis Obispo County Map California Locator
San Luis Obispo County Map
6079
San Mateo County 758,308
San Mateo County Map California
San Mateo County
453.3
San Mateo County Map California Locator
San Mateo County Map
6081
Santa Barbara County 444,766
Santa Barbara County Map California
Santa Barbara County
2751.2
Santa Barbara County Map California Locator
Santa Barbara County Map
6083
Santa Clara County 1,907,105
Santa Clara County Map California
Santa Clara County
1299.1
Santa Clara County Map California Locator
Santa Clara County Map
6085
Santa Cruz County 269,925
Santa Cruz County Map California
Santa Cruz County
448.3
Santa Cruz County Map California Locator
Santa Cruz County Map
6087
Shasta County 179,027
Shasta County Map California
Shasta County
3847.1
Shasta County Map California Locator
Shasta County Map
6089
Sierra County 2,920
Sierra County Map California
Sierra County
955
Sierra County Map California Locator
Sierra County Map
6091
Siskiyou County 43,245
Siskiyou County Map California
Siskiyou County
6347.4
Siskiyou County Map California Locator
Siskiyou County Map
6093
Solano County 446,935
Solano County Map California
Solano County
842.9
Solano County Map California Locator
Solano County Map
6095
Sonoma County 489,819
Sonoma County Map California
Sonoma County
1589.8
Sonoma County Map California Locator
Sonoma County Map
6097
Stanislaus County 550,081
Stanislaus County Map California
Stanislaus County
1512.5
Stanislaus County Map California Locator
Stanislaus County Map
6099
Sutter County 96,385
Sutter County Map California
Sutter County
609
Sutter County Map California Locator
Sutter County Map
6101
Tehama County 64,494
Tehama County Map California
Tehama County
2961.2
Tehama County Map California Locator
Tehama County Map
6103
Trinity County 12,216
Trinity County Map California
Trinity County
3206.5
Trinity County Map California Locator
Trinity County Map
6105
Tulare County 468,680
Tulare County Map California
Tulare County
4849.5
Tulare County Map California Locator
Tulare County Map
6107
Tuolumne County 54,515
Tuolumne County Map California
Tuolumne County
2277.3
Tuolumne County Map California Locator
Tuolumne County Map
6109
Ventura County 841,387
Ventura County Map California
Ventura County
1856.1
Ventura County Map California Locator
Ventura County Map
6111
Yolo County 219,728
Yolo County Map California
Yolo County
1024
Yolo County Map California Locator
Yolo County Map
6113
Yuba County 80,160
Yuba County Map California
Yuba County
645.4
Yuba County Map California Locator
Yuba County Map
6115

References

US State Maps

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