Medicare plans by state and county

County-by-county Medicare plan availability for 2026, built from the CMS Medicare Advantage/Part D Landscape files: how many plans and carriers serve each county, how many Medicare Advantage plans have a $0 premium, star ratings, out-of-pocket maximums, the population aged 65 and over, and what changed since the prior plan year. Pick a state to see its counties.

Alabama — 67 counties, 4,376 plans
Alaska — 30 counties, 270 plans
Arizona — 15 counties, 684 plans
Arkansas — 75 counties, 4,994 plans
California — 58 counties, 2,030 plans
Colorado — 64 counties, 2,452 plans
Connecticut — 8 counties, 421 plans
Delaware — 3 counties, 126 plans
District of Columbia — 1 county, 30 plans
Florida — 67 counties, 4,913 plans
Georgia — 159 counties, 13,207 plans
Hawaii — 5 counties, 139 plans
Idaho — 44 counties, 1,153 plans
Illinois — 102 counties, 4,768 plans
Indiana — 92 counties, 6,135 plans
Iowa — 99 counties, 4,064 plans
Kansas — 105 counties, 3,379 plans
Kentucky — 120 counties, 7,979 plans
Louisiana — 64 counties, 3,687 plans
Maine — 16 counties, 655 plans
Maryland — 24 counties, 879 plans
Massachusetts — 14 counties, 698 plans
Michigan — 83 counties, 5,520 plans
Minnesota — 87 counties, 2,533 plans
Mississippi — 82 counties, 4,489 plans
Missouri — 115 counties, 6,302 plans
Montana — 56 counties, 1,212 plans
Nebraska — 93 counties, 3,373 plans
Nevada — 17 counties, 448 plans
New Hampshire — 10 counties, 173 plans
New Jersey — 21 counties, 1,272 plans
New Mexico — 33 counties, 1,226 plans
New York — 62 counties, 3,560 plans
North Carolina — 100 counties, 7,408 plans
North Dakota — 53 counties, 1,387 plans
Ohio — 88 counties, 8,335 plans
Oklahoma — 77 counties, 3,404 plans
Oregon — 36 counties, 955 plans
Pennsylvania — 67 counties, 6,512 plans
Puerto Rico — 78 counties, 3,368 plans
Rhode Island — 5 counties, 167 plans
South Carolina — 46 counties, 3,181 plans
South Dakota — 66 counties, 1,669 plans
Tennessee — 95 counties, 6,638 plans
Texas — 254 counties, 13,426 plans
Utah — 29 counties, 982 plans
Vermont — 14 counties, 169 plans
Virginia — 133 counties, 8,297 plans
Washington — 39 counties, 1,910 plans
West Virginia — 55 counties, 3,186 plans
Wisconsin — 72 counties, 3,502 plans
Wyoming — 23 counties, 371 plans

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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.