# Counties in California by social vulnerability score (FEMA National Risk Index), 2025

All 58 values come from Federal Emergency Management Agency for 2025, so the places are comparable.

- Indicator id: `nri_social_vulnerability_score`
- Unit: index
- Definition: Social vulnerability of a US county as used in FEMA's National Risk Index, from 0 to 100: the county's national percentile rank among all counties, based on the Census Bureau's Community Resilience Estimates, which count residents with social and economic risk factors such as low income, age, disability and household conditions. Higher means more vulnerable.
- Source: Federal Emergency Management Agency, National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE) (https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355)
- Publisher page: https://invokely.ai/en/publishers/fema
- Retrieved: 2026-10-12
- Citation: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
- Web page: https://invokely.ai/rankings/social-vulnerability-score/california-counties

| Rank | Place | index |
|---:|---|---:|
| 1 | Mariposa County | 93 |
| 2 | Plumas County | 91.4 |
| 3 | Imperial County | 85.2 |
| 4 | Inyo County | 83.6 |
| 5 | Trinity County | 82.6 |
| 6 | Siskiyou County | 79.4 |
| 7 | Madera County | 78.7 |
| 8 | Mendocino County | 76.8 |
| 9 | Humboldt County | 74.7 |
| 10 | Lake County | 70.6 |
| 11 | Lassen County | 69.3 |
| 12 | Modoc County | 66.8 |
| 13 | Kings County | 65.7 |
| 14 | Sierra County | 63.2 |
| 15 | Tulare County | 61.9 |
| 16 | Merced County | 61.7 |
| 17 | Kern County | 61.1 |
| 18 | Fresno County | 60.3 |
| 19 | Santa Barbara County | 60.2 |
| 20 | Butte County | 59 |
| 21 | Calaveras County | 57.9 |
| 22 | Sutter County | 57.3 |
| 23 | Los Angeles County | 55.4 |
| 24 | Monterey County | 54.8 |
| 25 | Del Norte County | 53.6 |
| 26 | Tuolumne County | 53.4 |
| 27 | Tehama County | 52.9 |
| 28 | Colusa County | 49.5 |
| 29 | San Francisco County | 48.1 |
| 30 | Alpine County | 44.1 |
| 31 | Amador County | 43.9 |
| 32 | Nevada County | 43.5 |
| 33 | Shasta County | 41.1 |
| 34 | San Joaquin County | 39.7 |
| 35 | Napa County | 38.5 |
| 36 | Sacramento County | 37.4 |
| 37 | Riverside County | 33.3 |
| 38 | San Bernardino County | 33.2 |
| 39 | San Luis Obispo County | 32.8 |
| 40 | Stanislaus County | 32 |
| 41 | Yuba County | 30.4 |
| 42 | Sonoma County | 29.8 |
| 42 | Ventura County | 29.8 |
| 44 | Santa Cruz County | 28.1 |
| 45 | Alameda County | 27.5 |
| 46 | Solano County | 25.2 |
| 47 | Orange County | 24.9 |
| 48 | San Diego County | 24.8 |
| 49 | Marin County | 24.7 |
| 50 | Yolo County | 24.2 |
| 51 | Mono County | 23.4 |
| 52 | Contra Costa County | 21.5 |
| 53 | San Mateo County | 20.5 |
| 54 | El Dorado County | 18.1 |
| 55 | Santa Clara County | 17.2 |
| 56 | Placer County | 16.6 |
| 57 | Glenn County | 14.8 |
| 58 | San Benito County | 10.6 |