All counties in California
County Name | Population | State | Rank |
Los Angeles County | 9,818,605 | California | 1 |
San Diego County | 3,095,313 | California | 2 |
Orange County | 3,010,232 | California | 3 |
Riverside County | 2,189,641 | California | 4 |
San Bernardino County | 2,035,210 | California | 5 |
Santa Clara County | 1,781,642 | California | 6 |
Alameda County | 1,510,271 | California | 7 |
Sacramento County | 1,418,788 | California | 8 |
Contra Costa County | 1,049,025 | California | 9 |
Fresno County | 930,450 | California | 10 |
Kern County | 839,631 | California | 11 |
Ventura County | 823,318 | California | 12 |
San Francisco County | 805,235 | California | 13 |
San Mateo County | 718,451 | California | 14 |
San Joaquin County | 685,306 | California | 15 |
Stanislaus County | 514,453 | California | 16 |
Sonoma County | 483,878 | California | 17 |
Tulare County | 442,179 | California | 18 |
Santa Barbara County | 423,895 | California | 19 |
Monterey County | 415,057 | California | 20 |
Solano County | 413,344 | California | 21 |
Placer County | 348,432 | California | 22 |
San Luis Obispo County | 269,637 | California | 23 |
Santa Cruz County | 262,382 | California | 24 |
Merced County | 255,793 | California | 25 |
Marin County | 252,409 | California | 26 |
Butte County | 220,000 | California | 27 |
Yolo County | 200,849 | California | 28 |
El Dorado County | 181,058 | California | 29 |
Shasta County | 177,223 | California | 30 |
Imperial County | 174,528 | California | 31 |
Kings County | 152,982 | California | 32 |
Madera County | 150,865 | California | 33 |
Napa County | 136,484 | California | 34 |
Humboldt County | 134,623 | California | 35 |
Nevada County | 98,764 | California | 36 |
Sutter County | 94,737 | California | 37 |
Mendocino County | 87,841 | California | 38 |
Yuba County | 72,155 | California | 39 |
Lake County | 64,665 | California | 40 |
Tehama County | 63,463 | California | 41 |
Tuolumne County | 55,365 | California | 42 |
San Benito County | 55,269 | California | 43 |
Calaveras County | 45,578 | California | 44 |
Siskiyou County | 44,900 | California | 45 |
Amador County | 38,091 | California | 46 |
Lassen County | 34,895 | California | 47 |
Del Norte County | 28,610 | California | 48 |
Glenn County | 28,122 | California | 49 |
Colusa County | 21,419 | California | 50 |
Plumas County | 20,007 | California | 51 |
Inyo County | 18,546 | California | 52 |
Mariposa County | 18,251 | California | 53 |
Mono County | 14,202 | California | 54 |
Trinity County | 13,786 | California | 55 |
Modoc County | 9,686 | California | 56 |
Sierra County | 3,240 | California | 57 |
Alpine County | 1,175 | California | 58 |