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Washington Medicare plans by county — 2027
39 counties in Washington are served by 1,463 Medicare plans from 15 carriers in 2027. 706 Medicare Advantage plans have a $0 premium. 1,299,185 residents are 65 or older.
| County | Plans | Carriers | $0 premium | Avg. stars | Residents 65+ | Plans vs. prior year |
|---|---|---|---|---|---|---|
| Adams County | 26 | 6 | 9 | 3.7 | 2,529 | −10 |
| Asotin County | 24 | 6 | 11 | 3.6 | 5,661 | 0 |
| Benton County | 35 | 6 | 15 | 3.8 | 33,796 | −13 |
| Chelan County | 25 | 6 | 9 | 3.7 | 16,769 | −14 |
| Clallam County | 22 | 6 | 8 | 3.5 | 25,067 | −15 |
| Clark County | 65 | 10 | 36 | 3.8 | 86,076 | −21 |
| Columbia County | 28 | 6 | 12 | 3.7 | 1,177 | −13 |
| Cowlitz County | 50 | 8 | 28 | 3.9 | 22,230 | −21 |
| Douglas County | 27 | 6 | 10 | 3.7 | 8,180 | −16 |
| Ferry County | 22 | 6 | 8 | 3.6 | 2,263 | −13 |
| Franklin County | 36 | 6 | 17 | 3.8 | 10,257 | −13 |
| Garfield County | 28 | 6 | 12 | 3.7 | 613 | −13 |
| Grant County | 25 | 6 | 9 | 3.7 | 14,822 | −14 |
| Grays Harbor County | 21 | 8 | 2 | 3.5 | 17,980 | −7 |
| Island County | 35 | 6 | 17 | 3.7 | 23,259 | −17 |
| Jefferson County | 44 | 8 | 24 | 3.7 | 13,673 | −9 |
| King County | 67 | 12 | 37 | 3.8 | 320,899 | −11 |
| Kitsap County | 64 | 10 | 37 | 3.8 | 54,611 | −7 |
| Kittitas County | 28 | 6 | 11 | 3.7 | 8,040 | −10 |
| Klickitat County | 19 | 6 | 6 | 3.5 | 5,878 | −9 |
| Lewis County | 53 | 10 | 25 | 3.8 | 18,211 | −4 |
| Lincoln County | 28 | 6 | 12 | 3.7 | 3,012 | −10 |
| Mason County | 45 | 9 | 21 | 3.8 | 16,468 | −9 |
| Okanogan County | 25 | 6 | 9 | 3.7 | 10,074 | −14 |
| Pacific County | 26 | 6 | 11 | 3.6 | 7,921 | −12 |
| Pend Oreille County | 29 | 6 | 12 | 3.7 | 3,841 | −13 |
| Pierce County | 74 | 14 | 44 | 3.9 | 137,536 | −9 |
| San Juan County | 26 | 6 | 12 | 3.7 | 6,656 | −13 |
| Skagit County | 50 | 8 | 29 | 3.8 | 29,691 | −16 |
| Skamania County | 38 | 7 | 22 | 3.7 | 3,024 | −7 |
| Snohomish County | 68 | 12 | 38 | 3.9 | 124,763 | −13 |
| Spokane County | 55 | 11 | 29 | 3.8 | 95,527 | −14 |
| Stevens County | 21 | 6 | 7 | 3.6 | 12,178 | −6 |
| Thurston County | 68 | 14 | 38 | 3.8 | 56,072 | −7 |
| Wahkiakum County | 42 | 8 | 24 | 3.8 | 1,590 | −7 |
| Walla Walla County | 33 | 6 | 14 | 3.7 | 12,409 | −13 |
| Whatcom County | 36 | 6 | 19 | 3.8 | 43,568 | −19 |
| Whitman County | 27 | 6 | 12 | 3.7 | 5,597 | −2 |
| Yakima County | 28 | 7 | 10 | 3.7 | 37,267 | −13 |
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This page summarizes publicly available CMS data. It is not a plan finder and does not recommend plans. To compare and enroll in plans, use Medicare.gov or talk to a licensed agent. Medicare.gov plan finder.