State index
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
1
Converging-risk counties
What the data shows in California
Across California's 58 counties, 1 have two or more of the four health-risk areas (environmental, disease, provider access, and social conditions) above the national threshold at the same time. These are the places where several pressures land together rather than one at a time.
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 Smoke Burden, triggered in 17 counties, followed by Outage Vulnerability in 8 counties.
Sierra County carries the highest overall need in the state, with an opportunity score of 68 out of 100 (elevated). Higher scores mean more burden relative to the rest of the country.
| County | Opportunity | Env | Disease | Provider | Social | Pop |
|---|---|---|---|---|---|---|
| Sierra County 06091 | 68 | 68 | 78 | 47 | 62 | 3,200 |
| Alpine County 06003 | 67 | 70 | 41 | 97 | 59 | 1,141 |
| Trinity County 06105 | 64 | 44 | 86 | 40 | 65 | 15,670 |
| Modoc County 06049 | 64 | 58 | 78 | 39 | 61 | 8,500 |
| Mariposa County 06043 | 56 | 57 | 64 | 35 | 58 | 16,919 |
| Lake County 06033 | 54 | 33 | 68 | 35 | 66 | 67,878 |
| Plumas County 06063 | 53 | 52 | 68 | 35 | 49 | 19,131 |
| Mendocino County 06045 | 52 | 38 | 61 | 38 | 61 | 89,108 |
| Siskiyou County 06093 | 52 | 28 | 73 | 30 | 60 | 42,905 |
| Kern County 06029 | 50 | 78 | 29 | 37 | 59 | 913,820 |
| Tehama County 06103 | 49 | 39 | 54 | 38 | 58 | 64,896 |
| Del Norte County 06015 | 48 | 47 | 50 | 33 | 58 | 26,589 |
| Tuolumne County 06109 | 48 | 53 | 52 | 38 | 46 | 54,204 |
| Calaveras County 06009 | 47 | 34 | 62 | 35 | 48 | 46,565 |
| Madera County 06039 | 47 | 59 | 35 | 36 | 57 | 162,858 |
| Imperial County 06025 | 45 | 73 | 25 | 38 | 53 | 179,057 |
| Glenn County 06021 | 45 | 60 | 32 | 39 | 53 | 28,129 |
| Yuba County 06115 | 45 | 62 | 25 | 38 | 57 | 85,722 |
| Merced County 06047 | 44 | 67 | 22 | 37 | 58 | 291,920 |
| Humboldt County 06023 | 44 | 34 | 43 | 38 | 59 | 133,985 |
| Nevada County 06057 | 44 | 41 | 48 | 40 | 46 | 102,037 |
| Tulare County 06107 | 44 | 70 | 24 | 38 | 51 | 479,468 |
| Fresno County 06019 | 44 | 72 | 21 | 37 | 52 | 1,017,162 |
| Amador County 06005 | 43 | 53 | 44 | 36 | 44 | 41,811 |
| Shasta County 06089 | 43 | 39 | 47 | 36 | 50 | 180,366 |
| Butte County 06007 | 43 | 48 | 32 | 38 | 56 | 207,172 |
| Kings County 06031 | 42 | 73 | 18 | 38 | 50 | 152,682 |
| Sutter County 06101 | 41 | 56 | 27 | 38 | 50 | 97,948 |
| Lassen County 06035 | 41 | 49 | 34 | 36 | 50 | 28,861 |
| San Bernardino County 06071 | 41 | 74 | 15 | 38 | 49 | 2,195,611 |
| Colusa County 06011 | 41 | 61 | 27 | 37 | 46 | 22,037 |
| Stanislaus County 06099 | 40 | 70 | 20 | 37 | 46 | 551,430 |
| Riverside County 06065 | 40 | 72 | 17 | 37 | 45 | 2,492,442 |
| Inyo County 06027 | 38 | 35 | 44 | 39 | 40 | 18,527 |
| El Dorado County 06017 | 37 | 59 | 32 | 38 | 32 | 192,215 |
| Los Angeles County 06037 | 37 | 59 | 12 | 37 | 51 | 9,663,345 |
| San Joaquin County 06077 | 37 | 62 | 15 | 37 | 46 | 800,965 |
| Monterey County 06053 | 34 | 45 | 17 | 36 | 48 | 430,723 |
| Sacramento County 06067 | 33 | 47 | 18 | 37 | 43 | 1,584,288 |
| Napa County 06055 | 33 | 53 | 22 | 36 | 36 | 133,216 |
| Solano County 06095 | 32 | 48 | 18 | 37 | 41 | 449,218 |
| Ventura County 06111 | 31 | 55 | 14 | 37 | 37 | 829,590 |
| Santa Cruz County 06087 | 31 | 38 | 18 | 37 | 44 | 261,547 |
| Santa Barbara County 06083 | 30 | 43 | 15 | 37 | 42 | 441,257 |
| Orange County 06059 | 30 | 56 | 10 | 37 | 37 | 3,135,755 |
| San Luis Obispo County 06079 | 30 | 33 | 24 | 37 | 39 | 281,639 |
| Yolo County 06113 | 30 | 50 | 11 | 37 | 40 | 220,544 |
| San Diego County 06073 | 30 | 51 | 8 | 37 | 40 | 3,269,973 |
| Mono County 06051 | 29 | 34 | 23 | 35 | 39 | 13,066 |
| Placer County 06061 | 29 | 44 | 22 | 39 | 28 | 423,561 |
| Sonoma County 06097 | 28 | 30 | 24 | 37 | 36 | 481,812 |
| San Francisco County 06075 | 28 | 47 | 4 | 37 | 44 | 808,988 |
| Marin County 06041 | 27 | 26 | 27 | 36 | 33 | 254,407 |
| Contra Costa County 06013 | 27 | 44 | 10 | 37 | 35 | 1,155,025 |
| San Benito County 06069 | 26 | 40 | 10 | 37 | 38 | 68,175 |
| Alameda County 06001 | 26 | 44 | 6 | 37 | 37 | 1,622,188 |
| Santa Clara County 06085 | 24 | 49 | 3 | 37 | 29 | 1,877,592 |
| San Mateo County 06081 | 21 | 35 | 6 | 37 | 29 | 726,353 |
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.
Related analysis
Deeper reads from our research that connect to the data on this page.