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RANKING · 2024 ACS · 39 SHOWN OF 39

Highest Medicaid coverage, Washington counties

Washington counties ranked by the share of people covered by Medicaid or other means-tested public insurance, alone or in combination with other coverage (2024 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

WashingtonAll statesAll rankings
SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDLargest foreign-born populationMost residents with a disabilityLargest veteran populationMost uninsured peopleLargest senior populationMost unmarried people
YEAR20202024
Highest Medicaid coverage by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPMEDICAIDVS 2020
01Adams County, WAWA21,48838.8%+1.2 pts
02Yakima County, WAWA259,18537.2%+0.7 pts
03Ferry County, WAWA7,51733.1%−2.8 pts
04Grant County, WAWA105,72732.2%−2.0 pts
05Garfield County, WAWA2,41631.9%+16.4 pts
06Okanogan County, WAWA45,23031.4%−4.0 pts
07Franklin County, WAWA102,61230.9%−1.5 pts
08Grays Harbor County, WAWA78,14430.4%+3.9 pts
09Stevens County, WAWA49,66829.8%+0.0 pts
10Pend Oreille County, WAWA14,45729.7%+3.3 pts
11Lewis County, WAWA88,06227.3%+0.4 pts
12Pacific County, WAWA24,35727.3%−0.7 pts
13Asotin County, WAWA22,54527.2%+1.9 pts
14Mason County, WAWA71,16527.0%−0.8 pts
15Cowlitz County, WAWA114,88526.9%−1.9 pts
16Spokane County, WAWA558,34425.6%+0.1 pts
17Columbia County, WAWA4,14124.9%+2.9 pts
18Lincoln County, WAWA11,98224.8%+2.4 pts
19Benton County, WAWA221,72224.6%+0.5 pts
20Walla Walla County, WAWA62,36124.2%+0.2 pts
21Douglas County, WAWA46,47324.1%−4.2 pts
22Chelan County, WAWA81,94124.0%−2.9 pts
23Clallam County, WAWA78,20224.0%−0.6 pts
24Klickitat County, WAWA24,33123.8%−2.4 pts
25Wahkiakum County, WAWA4,87322.4%−2.0 pts
26Skagit County, WAWA132,97522.2%+0.4 pts
27Whatcom County, WAWA236,39221.0%+0.5 pts
28Pierce County, WAWA946,28821.0%+0.4 pts
29Clark County, WAWA532,11920.5%+0.4 pts
30Jefferson County, WAWA33,97019.3%+0.7 pts
31Skamania County, WAWA12,66919.1%−3.7 pts
32Thurston County, WAWA304,26119.0%+0.1 pts
33Kittitas County, WAWA48,80318.9%−1.5 pts
34Whitman County, WAWA48,51218.2%+2.5 pts
35San Juan County, WAWA18,57717.0%+2.6 pts
36Kitsap County, WAWA283,37416.9%−0.3 pts
37Snohomish County, WAWA870,65616.9%+0.6 pts
38Island County, WAWA85,65716.0%+1.1 pts
39King County, WAWA2,344,93915.4%+0.5 pts
SHOWING 1–39 OF 39
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES