Counties in California

Browse the list below to find detailed maps and geographic information for counties in California.

CA

Amador County

40,474 People
CA

Glenn County

28,917 People
CA

Lake County

68,163 People
CA

Mariposa County

17,131 People
CA

Napa County

138,019 People
CA

Shasta County

182,155 People
CA

Stanislaus County

552,878 People
CA

Yuba County

81,575 People
CA

Alpine County

1,204 People
CA

Butte County

211,632 People
CA

Mendocino County

91,601 People
CA

Modoc County

8,700 People
CA

Mono County

13,195 People
CA

Nevada County

102,241 People
CA

Orange County

3,186,989 People
CA

Riverside County

2,418,185 People
CA

San Benito County

64,209 People
CA

San Diego County

3,298,634 People
CA

San Francisco County

873,965 People
CA

Yolo County

216,403 People
CA

San Mateo County

764,442 People
CA

Santa Barbara County

448,229 People
CA

Santa Cruz County

270,861 People
CA

Solano County

453,491 People
CA

Sutter County

99,633 People
CA

Tehama County

65,829 People
CA

Tuolumne County

55,620 People
CA

Calaveras County

45,292 People
CA

Contra Costa County

1,165,927 People
CA

Del Norte County

27,743 People
CA

Imperial County

179,702 People
CA

Kern County

909,235 People
CA

Kings County

152,486 People
CA

Madera County

156,255 People
CA

Colusa County

21,839 People
CA

Inyo County

19,016 People
CA

Merced County

281,202 People
CA

Plumas County

19,790 People
CA

San Joaquin County

779,233 People
CA

Sierra County

3,236 People
CA

Tulare County

473,117 People
CA

Marin County

262,321 People
CA

Monterey County

439,035 People
CA

Placer County

404,739 People
CA

Fresno County

1,008,654 People
CA

Humboldt County

136,463 People
CA

Lassen County

32,730 People
CA

Los Angeles County

10,014,009 People
CA

Sacramento County

1,585,055 People
CA

San Bernardino County

2,181,654 People
CA

Ventura County

843,843 People
CA

Alameda County

1,682,353 People
CA

San Luis Obispo County

282,424 People
CA

Siskiyou County

44,076 People
CA

Sonoma County

488,863 People
CA

Trinity County

16,112 People
CA

El Dorado County

191,185 People
CA

Santa Clara County

1,936,259 People