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: March 8, 2021

FIPS Code	County	Population	Confirmed Cases	% Currently Infected	% Total Infected
06037	Los Angeles	10,039,107	1,203,152	0.6	35.8
06073	San Diego	3,338,330	262,781	0.5	23.0
06059	Orange	3,175,692	262,674	0.3	24.7
06065	Riverside	2,470,546	290,904	0.4	34.8
06071	San Bernardino	2,180,085	287,867	0.5	38.7
06085	Santa Clara	1,927,852	111,814	0.4	17.2
06001	Alameda	1,671,329	81,345	0.3	14.6
06067	Sacramento	1,552,058	94,332	0.4	17.9
06013	Contra Costa	1,153,526	63,297	0.4	16.2
06019	Fresno	999,101	96,366	0.6	28.5
06029	Kern	900,202	104,181	0.8	34.5
06075	San Francisco	881,549	34,560	0.3	12.3
06111	Ventura	846,006	78,439	0.6	26.7
06081	San Mateo	766,573	39,384	0.4	15.6
06077	San Joaquin	762,148	67,284	0.5	26.4
06099	Stanislaus	550,660	56,702	0.8	30.4
06097	Sonoma	494,336	28,484	0.4	16.8
06107	Tulare	466,195	48,203	0.5	31.3
06095	Solano	447,643	30,305	0.4	19.8
06083	Santa Barbara	446,499	32,301	0.6	21.7
06053	Monterey	434,061	42,404	0.4	28.5
06061	Placer	398,329	20,035	0.3	14.7
06079	San Luis Obispo	283,111	19,835	0.5	20.3
06047	Merced	277,680	29,376	1.0	31.2
06087	Santa Cruz	273,213	14,790	0.4	15.6
06041	Marin	258,826	13,358	0.3	16.5
06113	Yolo	220,500	12,951	0.5	17.2
06007	Butte	219,186	11,065	0.3	14.6
06017	El Dorado	192,843	9,204	0.3	13.7
06025	Imperial	181,215	27,009	0.2	46.9
06089	Shasta	180,080	11,102	0.4	17.3
06039	Madera	157,327	15,646	0.7	29.2
06031	Kings	152,940	22,175	0.7	43.3
06055	Napa	137,744	9,129	0.4	19.2
06023	Humboldt	135,558	3,266	0.4	7.0
06057	Nevada	99,755	4,044	0.5	11.7
06101	Sutter	96,971	8,923	0.5	26.8
06045	Mendocino	86,749	3,839	0.2	12.7
06115	Yuba	78,668	5,795	0.4	21.3
06103	Tehama	65,084	5,118	0.6	22.1
06033	Lake	64,386	3,189	0.5	14.0
06069	San Benito	62,808	5,793	0.4	27.1
06109	Tuolumne	54,478	3,972	0.5	20.7
06009	Calaveras	45,905	1,928	0.2	12.1
06093	Siskiyou	43,539	1,790	0.5	11.6
06005	Amador	39,752	3,487	0.4	25.1
06035	Lassen	30,573	5,623	0.7	53.9
06021	Glenn	28,393	2,241	0.4	23.1
06015	Del Norte	27,812	1,027	0.6	10.5
06011	Colusa	21,547	2,142	0.5	29.2
06063	Plumas	18,807	654	0.1	10.0
06027	Inyo	18,039	1,334	1.4	21.2
06043	Mariposa	17,203	395	0.1	6.8
06051	Mono	14,444	1,219	0.2	25.3
06105	Trinity	12,285	373	0.8	8.5
06049	Modoc	8,841	460	0.4	14.6
06091	Sierra	3,005	100	0.2	9.4
06003	Alpine	1,129	84	0.7	21.7