Open enrollment 2027
Medicare Advantage in Washington, county by county.
26 of 39 counties have a page with their 2027 plans, the plans that end and who must pick a new plan. 781,885 people in the state had an individual Medicare Advantage plan in October 2026.
Sources: CMS CY2027 and CY2026 plan files, CMS CPSC enrollment October 2026, CMS 2027 Plan Crosswalk (October 1, 2026). Smaller counties open in the free lookup instead.
Counties
- Adamslookup
- Asotinlookup
- Benton
- Chelan
- Clallam
- Clark
- Columbialookup
- Cowlitz
- Douglas
- Ferrylookup
- Franklin
- Garfieldlookup
- Grant
- Grays Harbor
- Island
- Jefferson
- King
- Kitsap
- Kittitas
- Klickitatlookup
- Lewis
- Lincolnlookup
- Mason
- Okanogan
- Pacificlookup
- Pend Oreillelookup
- Pierce
- San Juanlookup
- Skagit
- Skamanialookup
- Snohomish
- Spokane
- Stevens
- Thurston
- Wahkiakumlookup
- Walla Walla
- Whatcom
- Whitmanlookup
- Yakima
All states. Agents can get every county in one file with the AEP 2027 County Kit.