Oregon counties
Medicare Advantage and marketplace plans are set by area, so start with your county. 36 listed.
| County | Population (2023 est.) | Rank in Oregon | Medicare plans leaving (2027) |
|---|---|---|---|
| Baker County | 16,912 | 28 | 3 |
| Benton County | 97,713 | 11 | 15 |
| Clackamas County | 423,173 | 3 | 22 |
| Clatsop County | 41,102 | 19 | 6 |
| Columbia County | 53,880 | 17 | 11 |
| Coos County | 64,212 | 16 | 3 |
| Crook County | 26,952 | 22 | 6 |
| Curry County | 23,296 | 27 | 3 |
| Deschutes County | 208,513 | 7 | 6 |
| Douglas County | 112,435 | 9 | 11 |
| Gilliam County | 2,026 | 34 | 3 |
| Grant County | 7,215 | 33 | 3 |
| Harney County | 7,440 | 32 | 3 |
| Hood River County | 23,745 | 26 | 13 |
| Jackson County | 220,768 | 6 | 20 |
| Jefferson County | 25,454 | 25 | 6 |
| Josephine County | 87,821 | 13 | 20 |
| Klamath County | 70,003 | 15 | 6 |
| Lake County | 8,293 | 30 | 3 |
| Lane County | 381,181 | 4 | 19 |
| Lincoln County | 50,821 | 18 | 6 |
| Linn County | 131,496 | 8 | 13 |
| Malheur County | 32,044 | 20 | 3 |
| Marion County | 346,741 | 5 | 11 |
| Morrow County | 12,302 | 29 | 3 |
| Multnomah County | 789,698 | 1 | 22 |
| Polk County | 89,805 | 12 | 11 |
| Sherman County | 1,951 | 35 | 6 |
| Tillamook County | 27,417 | 21 | 4 |
| Umatilla County | 80,053 | 14 | 3 |
| Union County | 25,944 | 24 | 3 |
| Wallowa County | 7,674 | 31 | 3 |
| Wasco County | 26,333 | 23 | 6 |
| Washington County | 598,865 | 2 | 22 |
| Wheeler County | 1,436 | 36 | 3 |
| Yamhill County | 108,644 | 10 | 13 |
Population: U.S. Census Bureau Population Estimates, 2023.
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Call 855-367-1095Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.