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California

Environmental and community health profiles for all 58 counties in California. Sorted by opportunity score (highest need first).

58

Counties

40

Avg opportunity score

0

Converging-risk counties

What the data shows in California

Across California's 58 counties, none have two or more of the four health-risk areas (environmental, disease, provider access, and social conditions) above the national threshold at once. Where need shows up here, it tends to be concentrated in a single area rather than stacking.

Statewide, the health-risk area scoring highest on average is environmental risk, the leading driver of community health need in California.

The most widespread specific risk pattern is Field Burden, triggered in 49 counties, followed by Smoke Burden in 17 counties.

Mariposa County carries the highest overall need in the state, with an opportunity score of 64 out of 100 (elevated). Higher scores mean more burden relative to the rest of the country.

CountyOpportunityEnvDiseaseProviderSocialPop
Mariposa County
06043
647564465816,919
Plumas County
06063
607468404919,131
Sierra County
06091
58337840623,200
Alpine County
06003
58334195591,141
Trinity County
06105
571786406515,670
Modoc County
06049
55167847618,500
Mendocino County
06045
534061396189,108
Siskiyou County
06093
522573366042,905
Lake County
06033
522368396667,878
Kern County
06029
5178293959913,820
Calaveras County
06009
514762384846,565
Tehama County
06103
504254385864,896
Tuolumne County
06109
506152394654,204
Madera County
06039
4860354057162,858
Nevada County
06057
4752484246102,037
Tulare County
06107
4676243951479,468
Imperial County
06025
4570254053179,057
Humboldt County
06023
4536433859133,985
Shasta County
06089
4440473950180,366
Merced County
06047
4463223958291,920
Fresno County
06019
44722139521,017,162
Amador County
06005
445144404441,811
Del Norte County
06015
432450375826,589
Butte County
06007
4347324056207,172
Sutter County
06101
436127395097,948
San Bernardino County
06071
43781540492,195,611
Inyo County
06027
424844424018,527
El Dorado County
06017
4278324032192,215
Riverside County
06065
42771739452,492,442
Kings County
06031
4269183950152,682
Glenn County
06021
403932415328,129
Colusa County
06011
405727384622,037
Stanislaus County
06099
4064204046551,430
Los Angeles County
06037
39661239519,663,345
Yuba County
06115
383425395785,722
San Joaquin County
06077
3554153946800,965
Lassen County
06035
341634435028,861
Ventura County
06111
3361143937829,590
Monterey County
06053
3340173948430,723
Santa Cruz County
06087
3342184044261,547
Santa Barbara County
06083
3349153942441,257
Sacramento County
06067
32421839431,584,288
Orange County
06059
31601039373,135,755
Placer County
06061
3151224028423,561
Mono County
06051
313523413913,066
San Luis Obispo County
06079
3033243939281,639
San Diego County
06073
3052839403,269,973
Solano County
06095
3037183941449,218
San Francisco County
06075
295043944808,988
Yolo County
06113
2944114040220,544
Marin County
06041
2932274033254,407
San Benito County
06069
294910383868,175
Sonoma County
06097
2828243936481,812
Contra Costa County
06013
28471039351,155,025
Alameda County
06001
2850639371,622,188
Napa County
06055
2622224036133,216
Santa Clara County
06085
2552339291,877,592
San Mateo County
06081
234263929726,353

Scores are national percentile ranks (0–100) from the Banana Analytics methodology (v1.2.0). Higher scores indicate more burden. Click any county for its full environmental and community health profile.