# Counties in California by uninsured rate, under 19 (US, ACS), 2024

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

- Indicator id: `uninsured_rate_under_19_acs`
- Unit: %
- Definition: People under 19 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population under 19. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/uninsured-rate-under-19-acs/california-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Sierra County | 20 |
| 2 | Modoc County | 16.6 |
| 3 | Trinity County | 13.3 |
| 4 | Inyo County | 7.6 |
| 5 | Plumas County | 6.7 |
| 6 | Del Norte County | 6 |
| 7 | Colusa County | 5.9 |
| 8 | Lassen County | 5.9 |
| 9 | Mendocino County | 5.6 |
| 10 | Lake County | 5.4 |
| 11 | Amador County | 5.3 |
| 12 | Shasta County | 5.1 |
| 13 | Calaveras County | 4.6 |
| 14 | Yuba County | 4.6 |
| 15 | Glenn County | 4.6 |
| 16 | Kings County | 4.4 |
| 17 | Tehama County | 4.3 |
| 18 | San Bernardino County | 4.3 |
| 19 | Santa Barbara County | 4.3 |
| 20 | Siskiyou County | 4.2 |
| 21 | Napa County | 4 |
| 22 | Kern County | 4 |
| 22 | Monterey County | 4 |
| 24 | Riverside County | 3.9 |
| 25 | Merced County | 3.9 |
| 26 | Tuolumne County | 3.8 |
| 27 | San Diego County | 3.8 |
| 28 | Butte County | 3.7 |
| 29 | San Luis Obispo County | 3.6 |
| 30 | Solano County | 3.5 |
| 31 | Nevada County | 3.4 |
| 32 | Los Angeles County | 3.4 |
| 33 | Orange County | 3.2 |
| 34 | Ventura County | 3.2 |
| 35 | Sutter County | 3.2 |
| 36 | Alpine County | 3 |
| 37 | El Dorado County | 2.8 |
| 38 | Madera County | 2.8 |
| 39 | Fresno County | 2.8 |
| 39 | San Joaquin County | 2.8 |
| 41 | Mono County | 2.7 |
| 42 | Yolo County | 2.7 |
| 43 | Contra Costa County | 2.5 |
| 44 | Tulare County | 2.5 |
| 45 | Sacramento County | 2.5 |
| 46 | Placer County | 2.5 |
| 47 | San Benito County | 2.4 |
| 48 | Sonoma County | 2.4 |
| 49 | Alameda County | 2.3 |
| 50 | Stanislaus County | 2.3 |
| 51 | San Francisco County | 2.2 |
| 52 | San Mateo County | 2.2 |
| 53 | Humboldt County | 2.1 |
| 54 | Marin County | 1.9 |
| 54 | Santa Cruz County | 1.9 |
| 56 | Santa Clara County | 1.8 |
| 57 | Imperial County | 1.7 |
| 58 | Mariposa County | 1.2 |