California - County Infection Estimates

See state-wide estimates here.

Click on a county name to view the infections estimates for that county.

See the Counties Summary page for a searchable and sortable table.

Note: Due to the inherent lag between infections and reporting of cases, our estimates of infections are as of 14 days ago.

Last updated: January 22, 2021

FIPS Code County Population Confirmed Cases % Currently Infected % Total Infected
06037 Los Angeles 10,039,107 1,046,021 5.7 31.4
06073 San Diego 3,338,330 219,731 4.0 19.4
06059 Orange 3,175,692 217,849 4.0 20.4
06065 Riverside 2,470,546 255,808 5.8 29.9
06071 San Bernardino 2,180,085 258,742 6.1 34.7
06085 Santa Clara 1,927,852 95,936 2.8 14.9
06001 Alameda 1,671,329 69,107 2.2 12.5
06067 Sacramento 1,552,058 81,687 2.2 15.7
06013 Contra Costa 1,153,526 53,349 2.4 13.9
06019 Fresno 999,101 83,591 3.7 24.9
06029 Kern 900,202 87,240 4.5 29.4
06075 San Francisco 881,549 29,665 1.5 10.8
06111 Ventura 846,006 63,413 5.9 21.6
06081 San Mateo 766,573 33,207 2.4 13.2
06077 San Joaquin 762,148 58,843 3.7 23.2
06099 Stanislaus 550,660 43,392 3.4 23.8
06097 Sonoma 494,336 24,262 2.3 14.5
06107 Tulare 466,195 42,186 4.0 27.5
06095 Solano 447,643 26,191 3.2 17.0
06083 Santa Barbara 446,499 25,405 4.0 17.4
06053 Monterey 434,061 36,464 4.4 24.7
06061 Placer 398,329 17,584 2.0 12.9
06079 San Luis Obispo 283,111 16,056 4.2 16.6
06047 Merced 277,680 24,570 4.0 26.4
06087 Santa Cruz 273,213 12,461 2.9 13.2
06041 Marin 258,826 11,732 1.6 14.9
06113 Yolo 220,500 10,852 2.4 14.4
06007 Butte 219,186 9,582 2.1 12.7
06017 El Dorado 192,843 7,886 2.5 11.8
06025 Imperial 181,215 25,380 3.7 44.5
06089 Shasta 180,080 9,750 2.2 15.4
06039 Madera 157,327 13,585 4.1 25.4
06031 Kings 152,940 19,588 4.9 38.6
06055 Napa 137,744 7,731 3.0 16.2
06023 Humboldt 135,558 2,458 1.0 5.3
06057 Nevada 99,755 3,238 1.3 9.6
06101 Sutter 96,971 7,828 2.9 23.5
06045 Mendocino 86,749 3,192 1.6 10.7
06115 Yuba 78,668 4,996 3.0 18.4
06103 Tehama 65,084 4,332 2.9 18.0
06033 Lake 64,386 2,646 2.6 11.5
06069 San Benito 62,808 5,042 4.8 23.7
06109 Tuolumne 54,478 3,403 1.8 17.8
06009 Calaveras 45,905 1,637 2.3 10.3
06093 Siskiyou 43,539 1,457 1.5 9.6
06005 Amador 39,752 3,036 2.5 22.0
06035 Lassen 30,573 5,199 3.4 49.8
06021 Glenn 28,393 1,955 3.5 20.1
06015 Del Norte 27,812 867 0.9 9.2
06011 Colusa 21,547 1,796 4.3 24.3
06063 Plumas 18,807 589 1.2 9.0
06027 Inyo 18,039 983 4.4 16.0
06043 Mariposa 17,203 346 1.3 6.1
06051 Mono 14,444 1,124 3.6 23.4
06105 Trinity 12,285 304 0.6 7.1
06049 Modoc 8,841 385 1.4 12.4
06091 Sierra 3,005 82 2.2 7.4
06003 Alpine 1,129 73 1.0 19.6