Demographics Table
Demographic Data Report for California by County
Insurance: Percent uninsured in demographic group, people at or below 138% of poverty
Ages <65, All Races (includes Hispanic), Both Sexes
2023 Small Area Health Insurance Estimates Data
Sorted by Percent
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Uninsured)
|
Rank within US (of 3133 counties)
|
|---|---|---|---|---|
| California | N/A | 11.5 | 635,081 | 17 of 51 |
| United States | N/A | 15.7 | 7,699,167 | N/A |
| Alpine County | Rural | 7.4 | 10 | 71 |
| Sierra County | Rural | 9.3 | 33 | 422 |
| Modoc County | Rural | 8.1 | 131 | 150 |
| Plumas County | Rural | 7.0 | 175 | 50 |
| Inyo County | Rural | 8.4 | 194 | 200 |
| Mono County | Rural | 14.4 | 234 | 1,621 |
| Mariposa County | Rural | 9.3 | 256 | 422 |
| Trinity County | Rural | 9.0 | 305 | 344 |
| Lassen County | Rural | 9.1 | 367 | 367 |
| Amador County | Rural | 9.2 | 381 | 399 |
| Del Norte County | Rural | 7.9 | 382 | 127 |
| Colusa County | Rural | 11.3 | 450 | 994 |
| Calaveras County | Rural | 9.0 | 508 | 344 |
| Siskiyou County | Rural | 7.3 | 571 | 66 |
| Tuolumne County | Rural | 8.8 | 572 | 288 |
| Glenn County | Rural | 10.4 | 595 | 745 |
| San Benito County | Urban | 12.8 | 981 | 1,367 |
| Nevada County | Rural | 9.4 | 1,042 | 456 |
| Tehama County | Rural | 8.6 | 1,110 | 248 |
| Lake County | Rural | 9.3 | 1,332 | 422 |
| Napa County | Urban | 11.6 | 1,422 | 1,072 |
| Mendocino County | Rural | 8.8 | 1,429 | 288 |
| Yuba County | Urban | 9.1 | 1,522 | 367 |
| El Dorado County | Urban | 10.3 | 1,625 | 718 |
| Marin County | Urban | 12.2 | 1,953 | 1,240 |
| Sutter County | Urban | 11.0 | 1,999 | 915 |
| Humboldt County | Rural | 8.1 | 2,387 | 150 |
| Shasta County | Urban | 8.9 | 2,546 | 313 |
| Kings County | Urban | 10.1 | 3,188 | 657 |
| Placer County | Urban | 10.6 | 3,267 | 793 |
| Santa Cruz County | Urban | 11.4 | 3,729 | 1,020 |
| Butte County | Urban | 8.8 | 3,732 | 288 |
| San Luis Obispo County | Urban | 11.4 | 3,830 | 1,020 |
| Yolo County | Urban | 11.6 | 4,151 | 1,072 |
| Imperial County | Urban | 9.8 | 4,325 | 568 |
| Madera County | Urban | 11.9 | 4,519 | 1,170 |
| Solano County | Urban | 10.0 | 5,024 | 631 |
| Sonoma County | Urban | 11.2 | 5,358 | 978 |
| San Mateo County | Urban | 13.4 | 6,804 | 1,462 |
| Merced County | Urban | 10.8 | 7,285 | 861 |
| San Francisco County | Urban | 10.4 | 8,692 | 745 |
| Stanislaus County | Urban | 9.0 | 8,763 | 344 |
| Monterey County | Urban | 13.5 | 9,720 | 1,481 |
| Santa Barbara County | Urban | 14.8 | 10,619 | 1,690 |
| Tulare County | Urban | 10.1 | 11,792 | 657 |
| San Joaquin County | Urban | 9.5 | 12,324 | 489 |
| Contra Costa County | Urban | 12.5 | 13,446 | 1,305 |
| Ventura County | Urban | 15.0 | 13,847 | 1,720 |
| Alameda County | Urban | 10.7 | 17,256 | 831 |
| Santa Clara County | Urban | 12.6 | 17,474 | 1,329 |
| Sacramento County | Urban | 9.0 | 21,528 | 344 |
| Fresno County | Urban | 9.5 | 22,316 | 489 |
| Kern County | Urban | 10.7 | 23,440 | 831 |
| Orange County | Urban | 12.0 | 42,039 | 1,191 |
| Riverside County | Urban | 12.1 | 42,919 | 1,216 |
| San Bernardino County | Urban | 11.5 | 43,381 | 1,045 |
| San Diego County | Urban | 11.8 | 46,490 | 1,140 |
| Los Angeles County | Urban | 12.3 | 189,311 | 1,259 |
Notes:
Created by statecancerprofiles.cancer.gov on 03/21/2026 10:13 pm.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Source: Demographic data provided by the Census Bureau and Small Area Health Insurance Estimates.
The race categorization for this statistic does not include individuals who responded with two more races.
For more information about Insurance: Percent uninsured in demographic group, people at or below 138% of poverty, see the dictionary.
Data for United States does not include Puerto Rico.


