Data is updated nightly.
| County | Confirmed | Deaths |
|---|---|---|
| Los Angeles | 48761 | 2201 |
| Riverside | 7139 | 303 |
| San Diego | 6882 | 249 |
| Orange | 5646 | 136 |
| San Bernardino | 4567 | 176 |
| Alameda | 3049 | 93 |
| Santa Clara | 2688 | 140 |
| San Francisco | 2408 | 40 |
| San Mateo | 1963 | 82 |
| Kern | 1941 | 36 |
| Tulare | 1796 | 79 |
| Santa Barbara | 1604 | 12 |
| Fresno | 1535 | 26 |
| Contra Costa | 1375 | 37 |
| Imperial | 1352 | 24 |
| Sacramento | 1319 | 56 |
| Ventura | 1017 | 32 |
| San Joaquin | 771 | 33 |
| Kings | 698 | 3 |
| Stanislaus | 670 | 28 |
| Sonoma | 524 | 4 |
| Solano | 499 | 20 |
| Monterey | 429 | 8 |
| Marin | 420 | 14 |
| Merced | 273 | 7 |
| San Luis Obispo | 263 | 1 |
| Santa Cruz | 205 | 2 |
| Yolo | 200 | 22 |
| Placer | 194 | 9 |
| Napa | 109 | 3 |
| Humboldt | 98 | 2 |
| Madera | 90 | 2 |
| El Dorado | 80 | 0 |
| San Benito | 76 | 2 |
| Sutter | 42 | 2 |
| Nevada | 41 | 1 |
| Butte | 40 | 0 |
| Del Norte | 40 | 0 |
| Shasta | 37 | 4 |
| Mono | 35 | 1 |
| Yuba | 28 | 1 |
| Mendocino | 23 | 0 |
| Lake | 19 | 0 |
| Inyo | 19 | 1 |
| Mariposa | 16 | 1 |
| Calaveras | 15 | 0 |
| Glenn | 13 | 0 |
| Amador | 10 | 0 |
| Siskiyou | 6 | 1 |
| Colusa | 5 | 0 |
| Tuolumne | 4 | 0 |
| Plumas | 4 | 0 |
| Lassen | 4 | 0 |
| Tehama | 4 | 1 |
| Alpine | 2 | 0 |
| Trinity | 1 | 0 |
| Sierra | 1 | 0 |
| Unassigned | 0 | 0 |
