Total Population in California, by County
Total Population for every county in California, ranked. The highest is Los Angeles County at 9,808,667 and the lowest is Alpine County at 1,616.
California: 39,287,376 · United States:
334,922,499 · median county in California: 181,436
See Total Population on the interactive map →
| # | County |
Total Population |
|---|
| 1 | Los Angeles County | 9,808,667 |
| 2 | San Diego County | 3,288,774 |
| 3 | Orange County | 3,165,820 |
| 4 | Riverside County | 2,478,600 |
| 5 | San Bernardino County | 2,197,104 |
| 6 | Santa Clara County | 1,902,047 |
| 7 | Alameda County | 1,649,473 |
| 8 | Sacramento County | 1,594,006 |
| 9 | Contra Costa County | 1,165,012 |
| 10 | Fresno County | 1,016,725 |
| 11 | Kern County | 915,075 |
| 12 | Ventura County | 837,469 |
| 13 | San Francisco County | 830,235 |
| 14 | San Joaquin County | 797,334 |
| 15 | San Mateo County | 742,340 |
| 16 | Stanislaus County | 553,990 |
| 17 | Sonoma County | 485,040 |
| 18 | Tulare County | 478,693 |
| 19 | Solano County | 451,918 |
| 20 | Santa Barbara County | 443,701 |
| 21 | Monterey County | 437,613 |
| 22 | Placer County | 419,156 |
| 23 | Merced County | 290,201 |
| 24 | San Luis Obispo County | 281,555 |
| 25 | Santa Cruz County | 264,926 |
| 26 | Marin County | 257,969 |
| 27 | Yolo County | 220,564 |
| 28 | Butte County | 207,929 |
| 29 | El Dorado County | 192,662 |
| 30 | Shasta County | 181,436 |
| 31 | Imperial County | 180,202 |
| 32 | Madera County | 160,940 |
| 33 | Kings County | 153,298 |
| 34 | Napa County | 134,869 |
| 35 | Humboldt County | 134,541 |
| 36 | Nevada County | 102,481 |
| 37 | Sutter County | 98,857 |
| 38 | Mendocino County | 90,244 |
| 39 | Yuba County | 84,507 |
| 40 | Lake County | 68,152 |
| 41 | San Benito County | 67,290 |
| 42 | Tehama County | 65,167 |
| 43 | Tuolumne County | 54,498 |
| 44 | Calaveras County | 46,248 |
| 45 | Siskiyou County | 43,466 |
| 46 | Amador County | 41,428 |
| 47 | Lassen County | 30,356 |
| 48 | Glenn County | 28,494 |
| 49 | Del Norte County | 27,107 |
| 50 | Colusa County | 21,984 |
| 51 | Plumas County | 19,423 |
| 52 | Inyo County | 18,739 |
| 53 | Mariposa County | 17,082 |
| 54 | Trinity County | 15,860 |
| 55 | Mono County | 13,148 |
| 56 | Modoc County | 8,600 |
| 57 | Sierra County | 2,746 |
| 58 | Alpine County | 1,616 |
Everyone living in the area, from the 5-year American Community Survey.
Source: ACS 2020-2024 5-Year Estimates, 2024.
California ranks 1st of 52 states for total population.
Total Population in other states
Other statistics for California by county