# Counties in California by uninsured rate, under 65 (US model-based estimate), 2024

All 58 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `uninsured_rate_under_65`
- Unit: %
- Definition: People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.
- Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties (https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/uninsured-rate-under-65/california-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Madera County | 9.5 |
| 2 | Monterey County | 9.3 |
| 3 | Colusa County | 9 |
| 4 | Santa Barbara County | 8.7 |
| 5 | Kern County | 8.6 |
| 5 | Tulare County | 8.6 |
| 7 | Merced County | 8.5 |
| 8 | Los Angeles County | 8.3 |
| 8 | Mendocino County | 8.3 |
| 10 | San Bernardino County | 8.1 |
| 11 | Kings County | 8 |
| 11 | Riverside County | 8 |
| 11 | Sutter County | 8 |
| 14 | Mono County | 7.8 |
| 15 | Glenn County | 7.7 |
| 15 | Imperial County | 7.7 |
| 15 | San Joaquin County | 7.7 |
| 18 | Fresno County | 7.5 |
| 19 | Lake County | 7.4 |
| 20 | Napa County | 7 |
| 20 | Tehama County | 7 |
| 20 | Ventura County | 7 |
| 23 | Orange County | 6.6 |
| 23 | Stanislaus County | 6.6 |
| 25 | Mariposa County | 6.5 |
| 25 | San Diego County | 6.5 |
| 25 | Siskiyou County | 6.5 |
| 28 | Modoc County | 6.4 |
| 29 | Butte County | 6.3 |
| 30 | Del Norte County | 6.1 |
| 30 | Santa Cruz County | 6.1 |
| 32 | San Benito County | 6 |
| 32 | San Luis Obispo County | 6 |
| 32 | Shasta County | 6 |
| 32 | Sonoma County | 6 |
| 36 | Humboldt County | 5.9 |
| 36 | Yuba County | 5.9 |
| 38 | Lassen County | 5.8 |
| 39 | Inyo County | 5.7 |
| 39 | Nevada County | 5.7 |
| 39 | Sierra County | 5.7 |
| 42 | Sacramento County | 5.5 |
| 43 | Solano County | 5.4 |
| 43 | Yolo County | 5.4 |
| 45 | Amador County | 5.3 |
| 45 | Calaveras County | 5.3 |
| 47 | Plumas County | 5.2 |
| 48 | Trinity County | 5.1 |
| 49 | Contra Costa County | 5 |
| 49 | Marin County | 5 |
| 51 | Tuolumne County | 4.8 |
| 52 | Alameda County | 4.6 |
| 53 | El Dorado County | 4.4 |
| 53 | San Mateo County | 4.4 |
| 53 | Santa Clara County | 4.4 |
| 56 | Alpine County | 4.1 |
| 57 | San Francisco County | 4 |
| 58 | Placer County | 3.7 |