Counties in California
List of Counties in California.
| Counties | Population | Area (km2) |
|---|---|---|
| Los Angeles County | 10,017,068 | 10,588.64 |
| San Diego County | 3,211,252 | 10,978.341 |
| Orange County | 3,114,363 | 2,069.535 |
| Riverside County | 2,292,507 | 18,916.281 |
| San Bernardino County | 2,088,371 | 52,103.414 |
| Santa Clara County | 1,862,041 | 3,366.353 |
| Alameda County | 1,578,891 | 1,924.075 |
| Sacramento County | 1,462,131 | 2,546.973 |
| Contra Costa County | 1,094,205 | 1,924.263 |
| Fresno County | 955,272 | 15,573.879 |
| San Francisco City and County | 870,887 | 122.287 |
| Kern County | 864,124 | 21,139.827 |
| Ventura County | 839,620 | 4,814.268 |
| San Mateo County | 747,373 | 1,174.859 |
| San Joaquin County | 704,379 | 3,694.22 |
| Stanislaus County | 525,491 | 3,927.488 |
| Sonoma County | 495,025 | 4,116.189 |
| Tulare County | 454,143 | 12,546.639 |
| Santa Barbara County | 435,697 | 7,119.901 |
| Monterey County | 428,826 | 8,588.418 |
| Solano County | 424,788 | 2,200.217 |
| Placer County | 367,309 | 3,886.354 |
| San Luis Obispo County | 276,443 | 8,601.007 |
| Santa Cruz County | 269,419 | 1,155.609 |
| Merced County | 263,228 | 5,123.378 |
| Marin County | 258,365 | 1,360.962 |
| Butte County | 222,090 | 4,344.584 |
| Yolo County | 204,593 | 2,645.32 |
| El Dorado County | 181,737 | 4,634.142 |
| Shasta County | 178,980 | 9,979.92 |
| Imperial County | 176,584 | 11,610.52 |
| Madera County | 152,389 | 5,576.94 |
| Kings County | 150,960 | 3,605.855 |
| Napa County | 140,326 | 2,047.674 |
| Humboldt County | 134,493 | 9,287.675 |
| Nevada County | 98,200 | 2,525.428 |
| Sutter County | 95,350 | 1,575.878 |
| Mendocino County | 87,192 | 9,101.773 |
| Yuba County | 73,340 | 1,667.847 |
| Lake County | 63,860 | 3,444.322 |
| Tehama County | 63,057 | 7,662.77 |
| San Benito County | 57,600 | 3,600.228 |
| Tuolumne County | 53,874 | 5,899.395 |
| Calaveras County | 44,515 | 2,683.128 |
| Siskiyou County | 43,799 | 16,446.779 |
| Amador County | 36,519 | 1,569.849 |
| Lassen County | 32,163 | 12,233.793 |
| Glenn County | 27,940 | 3,436.611 |
| Del Norte County | 27,873 | 2,628.735 |
| Colusa County | 21,358 | 2,996.765 |
| Plumas County | 18,859 | 6,771.45 |
| Inyo County | 18,467 | 26,505.056 |
| Mariposa County | 17,755 | 3,787.109 |
| Mono County | 14,074 | 8,112.714 |
| Trinity County | 13,448 | 8,311.424 |
| Modoc County | 9,147 | 10,888.526 |
| Sierra County | 3,047 | 2,490.072 |
| Alpine County | 1,159 | 1,921.07 |
| Anacapa Island | N/A | 2.885 |