California Counties

There are a total of 58 Counties in California. The most populous County is Los Angeles County with 9840024 residents. The least populous County is Alpine County with 1197 residents.

Map List Related

Map of All Counties in California

List of All Counties in California

Map KeyNamePopulation
Alameda County1,515,136
Alpine County1,197
Amador County37,764
Butte County220,101
Calaveras County45,507
Colusa County21,329
Contra Costa County1,052,047
Del Norte County28,496
El Dorado County180,441
Fresno County930,517
Glenn County28,078
Humboldt County134,317
Imperial County173,487
Inyo County18,474
Kern County839,153
Kings County151,982
Lake County64,360
Lassen County34,628
Los Angeles County9,840,024
Madera County150,615
Marin County252,759
Mariposa County18,193
Mendocino County87,577
Merced County256,398
Modoc County9,545
Mono County14,181
Monterey County416,199
Napa County136,644
Nevada County98,521
Orange County3,021,840
Placer County350,074
Plumas County19,926
Riverside County2,192,982
Sacramento County1,422,348
San Benito County55,467
San Bernardino County2,041,029
San Diego County3,100,500
San Francisco County807,755
San Joaquin County687,036
San Luis Obispo County270,121
San Mateo County721,183
Santa Barbara County423,594
Santa Clara County1,788,393
Santa Cruz County262,340
Shasta County177,693
Sierra County3,163
Siskiyou County44,673
Solano County414,209
Sonoma County483,456
Stanislaus County515,115
Sutter County94,615
Tehama County63,200
Trinity County13,693
Tulare County441,877
Tuolumne County55,205
Ventura County822,794
Yolo County200,873
Yuba County72,244