Medicare plans by state and county

County-by-county Medicare plan availability for 2027, 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, 4,725 plans
Alaska — 30 counties, 270 plans
Arizona — 15 counties, 664 plans
Arkansas — 75 counties, 4,503 plans
California — 58 counties, 1,858 plans
Colorado — 64 counties, 1,925 plans
Connecticut — 8 counties, 356 plans
Delaware — 3 counties, 119 plans
District of Columbia — 1 county, 24 plans
Florida — 67 counties, 4,596 plans
Georgia — 159 counties, 12,674 plans
Hawaii — 5 counties, 143 plans
Idaho — 44 counties, 913 plans
Illinois — 102 counties, 3,919 plans
Indiana — 92 counties, 5,817 plans
Iowa — 99 counties, 3,780 plans
Kansas — 105 counties, 3,157 plans
Kentucky — 120 counties, 7,828 plans
Louisiana — 64 counties, 3,649 plans
Maine — 16 counties, 569 plans
Maryland — 24 counties, 678 plans
Massachusetts — 14 counties, 672 plans
Michigan — 83 counties, 5,210 plans
Minnesota — 87 counties, 1,783 plans
Mississippi — 82 counties, 4,949 plans
Missouri — 115 counties, 6,301 plans
Montana — 56 counties, 916 plans
Nebraska — 93 counties, 2,776 plans
Nevada — 17 counties, 452 plans
New Hampshire — 10 counties, 175 plans
New Jersey — 21 counties, 1,193 plans
New Mexico — 33 counties, 1,002 plans
New York — 62 counties, 3,161 plans
North Carolina — 100 counties, 7,130 plans
North Dakota — 53 counties, 1,024 plans
Ohio — 88 counties, 7,009 plans
Oklahoma — 77 counties, 2,774 plans
Oregon — 36 counties, 806 plans
Pennsylvania — 67 counties, 6,176 plans
Puerto Rico — 78 counties, 3,459 plans
Rhode Island — 5 counties, 157 plans
South Carolina — 46 counties, 3,183 plans
South Dakota — 66 counties, 1,239 plans
Tennessee — 95 counties, 6,501 plans
Texas — 254 counties, 11,903 plans
Utah — 29 counties, 880 plans
Vermont — 14 counties, 161 plans
Virginia — 133 counties, 8,466 plans
Washington — 39 counties, 1,463 plans
West Virginia — 55 counties, 2,959 plans
Wisconsin — 72 counties, 3,055 plans
Wyoming — 23 counties, 318 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.