# Counties in Washington by uninsured rate, ages 18 to 64 (US model-based estimate), 2024

All 39 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `uninsured_rate_18_64`
- Unit: %
- Definition: People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. 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, ages 18 to 64, 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, ages 18 to 64, 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-ages-18-64/washington-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Okanogan County | 19.8 |
| 1 | Yakima County | 19.8 |
| 3 | Adams County | 19.6 |
| 4 | Grant County | 18.6 |
| 5 | Franklin County | 17.9 |
| 6 | Douglas County | 16.1 |
| 7 | Chelan County | 13.9 |
| 8 | Grays Harbor County | 12 |
| 8 | Klickitat County | 12 |
| 10 | Benton County | 11.9 |
| 11 | San Juan County | 11.3 |
| 11 | Wahkiakum County | 11.3 |
| 13 | Pacific County | 11.2 |
| 14 | Clallam County | 11 |
| 14 | Walla Walla County | 11 |
| 16 | Mason County | 10.8 |
| 17 | Skagit County | 10.7 |
| 18 | Columbia County | 10.6 |
| 18 | Lewis County | 10.6 |
| 20 | Ferry County | 10.1 |
| 21 | Kittitas County | 10 |
| 21 | Whatcom County | 10 |
| 23 | Stevens County | 9.9 |
| 24 | Cowlitz County | 9.8 |
| 25 | Snohomish County | 9 |
| 26 | Clark County | 8.9 |
| 27 | Spokane County | 8.8 |
| 28 | Lincoln County | 8.6 |
| 29 | Island County | 8.5 |
| 29 | Jefferson County | 8.5 |
| 29 | Whitman County | 8.5 |
| 32 | Asotin County | 8.4 |
| 32 | Pend Oreille County | 8.4 |
| 32 | Pierce County | 8.4 |
| 35 | Skamania County | 8.3 |
| 36 | Thurston County | 8.2 |
| 37 | Garfield County | 8.1 |
| 38 | King County | 7.1 |
| 38 | Kitsap County | 7.1 |