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Iowa Medicare plans by county — 2026
99 counties in Iowa are served by 4,064 Medicare plans from 18 carriers in 2026. 972 Medicare Advantage plans have a $0 premium. 582,156 residents are 65 or older.
| County | Plans | Carriers | $0 premium | Avg. stars | Residents 65+ | Plans vs. prior year |
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| Adair County | 36 | 11 | 7 | 3.9 | 1,684 | |
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| Adams County | 43 | 12 | 13 | 4.0 | 876 | |
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| Allamakee County | 38 | 11 | 8 | 3.8 | 3,258 | |
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| Appanoose County | 37 | 11 | 8 | 3.9 | 2,882 | |
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| Audubon County | 36 | 10 | 9 | 3.8 | 1,425 | |
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| Benton County | 47 | 11 | 13 | 3.9 | 5,093 | |
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| Black Hawk County | 43 | 10 | 11 | 3.9 | 23,138 | |
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| Boone County | 48 | 11 | 13 | 3.9 | 5,324 | |
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| Bremer County | 42 | 11 | 12 | 3.9 | 4,980 | |
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| Buchanan County | 42 | 11 | 12 | 3.9 | 3,855 | |
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| Buena Vista County | 35 | 10 | 5 | 3.7 | 3,373 | |
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| Butler County | 47 | 11 | 13 | 3.9 | 3,306 | |
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| Calhoun County | 37 | 10 | 8 | 3.8 | 2,320 | |
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| Carroll County | 37 | 10 | 8 | 3.8 | 4,361 | |
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| Cass County | 38 | 11 | 8 | 3.9 | 3,061 | |
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| Cedar County | 48 | 12 | 13 | 3.9 | 3,859 | |
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| Cerro Gordo County | 38 | 11 | 7 | 3.8 | 10,036 | |
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| Cherokee County | 35 | 10 | 6 | 3.7 | 2,885 | |
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| Chickasaw County | 40 | 11 | 11 | 4.0 | 2,671 | |
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| Clarke County | 37 | 11 | 11 | 3.9 | 1,924 | |
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| Clay County | 39 | 11 | 8 | 3.8 | 3,686 | |
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| Clayton County | 48 | 12 | 12 | 3.9 | 4,260 | |
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| Clinton County | 49 | 12 | 13 | 3.9 | 9,378 | |
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| Crawford County | 34 | 9 | 5 | 3.7 | 2,928 | |
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| Dallas County | 49 | 11 | 14 | 3.9 | 13,893 | |
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| Davis County | 33 | 9 | 8 | 3.8 | 1,661 | |
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| Decatur County | 35 | 10 | 7 | 3.9 | 1,639 | |
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| Delaware County | 51 | 12 | 13 | 3.9 | 3,784 | |
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| Des Moines County | 42 | 10 | 10 | 3.8 | 8,180 | |
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| Dickinson County | 40 | 11 | 8 | 3.8 | 5,079 | |
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| Dubuque County | 29 | 9 | 3 | 3.6 | 19,152 | |
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| Emmet County | 30 | 10 | 2 | 3.6 | 2,230 | |
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| Fayette County | 51 | 12 | 13 | 3.9 | 4,424 | |
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| Floyd County | 48 | 12 | 13 | 3.9 | 3,526 | |
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| Franklin County | 46 | 12 | 12 | 3.9 | 2,147 | |
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| Fremont County | 41 | 11 | 12 | 3.9 | 1,575 | |
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| Greene County | 39 | 10 | 12 | 3.9 | 2,119 | |
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| Grundy County | 47 | 11 | 13 | 3.9 | 2,600 | |
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| Guthrie County | 36 | 11 | 10 | 4.0 | 2,591 | |
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| Hamilton County | 47 | 11 | 13 | 3.9 | 3,157 | |
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| Hancock County | 44 | 11 | 12 | 3.9 | 2,554 | |
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| Hardin County | 47 | 11 | 13 | 3.9 | 3,968 | |
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| Harrison County | 44 | 13 | 9 | 3.8 | 2,946 | |
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| Henry County | 45 | 11 | 11 | 3.9 | 4,031 | |
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| Howard County | 33 | 10 | 8 | 3.7 | 1,932 | |
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| Humboldt County | 39 | 10 | 11 | 3.9 | 2,075 | |
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| Ida County | 37 | 10 | 9 | 3.8 | 1,533 | |
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| Iowa County | 44 | 11 | 11 | 3.9 | 3,350 | |
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| Jackson County | 52 | 12 | 13 | 3.9 | 4,304 | |
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| Jasper County | 49 | 11 | 14 | 3.9 | 7,500 | |
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| Jefferson County | 37 | 10 | 9 | 3.8 | 4,192 | |
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| Johnson County | 42 | 10 | 9 | 3.8 | 20,834 | |
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| Jones County | 51 | 12 | 13 | 3.9 | 4,459 | |
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| Keokuk County | 43 | 11 | 9 | 3.8 | 2,233 | |
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| Kossuth County | 40 | 12 | 6 | 3.8 | 3,686 | |
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| Lee County | 39 | 9 | 8 | 3.8 | 7,309 | |
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| Linn County | 44 | 11 | 10 | 3.8 | 39,802 | |
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| Louisa County | 48 | 11 | 13 | 3.9 | 2,146 | |
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| Lucas County | 33 | 11 | 7 | 3.9 | 1,917 | |
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| Lyon County | 41 | 13 | 9 | 3.8 | 2,320 | |
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| Madison County | 49 | 11 | 14 | 3.9 | 2,995 | |
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| Mahaska County | 39 | 11 | 9 | 3.9 | 4,199 | |
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| Marion County | 39 | 11 | 8 | 3.9 | 6,515 | |
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| Marshall County | 45 | 11 | 13 | 3.9 | 7,301 | |
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| Mills County | 48 | 12 | 14 | 3.8 | 2,921 | |
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| Mitchell County | 42 | 11 | 12 | 3.9 | 2,290 | |
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| Monona County | 33 | 10 | 5 | 3.8 | 2,084 | |
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| Monroe County | 37 | 11 | 8 | 3.9 | 1,548 | |
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| Montgomery County | 40 | 12 | 9 | 3.9 | 2,361 | |
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| Muscatine County | 49 | 12 | 13 | 3.9 | 7,691 | |
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| O'Brien County | 35 | 11 | 6 | 3.7 | 2,989 | |
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| Osceola County | 40 | 12 | 10 | 3.8 | 1,389 | |
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| Page County | 34 | 10 | 6 | 3.7 | 3,664 | |
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| Palo Alto County | 30 | 10 | 3 | 3.6 | 1,970 | |
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| Plymouth County | 39 | 12 | 8 | 3.8 | 5,096 | |
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| Pocahontas County | 37 | 10 | 8 | 3.8 | 1,682 | |
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| Polk County | 49 | 11 | 14 | 3.9 | 70,275 | |
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| Pottawattamie County | 52 | 13 | 15 | 3.9 | 17,508 | |
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| Poweshiek County | 43 | 11 | 12 | 3.9 | 3,967 | |
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| Ringgold County | 36 | 11 | 8 | 3.9 | 1,099 | |
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| Sac County | 37 | 10 | 8 | 3.8 | 2,351 | |
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| Scott County | 49 | 12 | 13 | 3.9 | 30,617 | |
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| Shelby County | 44 | 12 | 13 | 3.9 | 2,724 | |
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| Sioux County | 39 | 12 | 6 | 3.8 | 5,866 | |
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| Story County | 39 | 9 | 9 | 3.8 | 13,275 | |
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| Tama County | 47 | 11 | 13 | 3.9 | 3,537 | |
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| Taylor County | 29 | 10 | 7 | 4.0 | 1,342 | |
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| Union County | 35 | 11 | 7 | 3.9 | 2,490 | |
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| Van Buren County | 34 | 9 | 8 | 3.8 | 1,707 | |
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| Wapello County | 31 | 9 | 3 | 3.8 | 6,496 | |
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| Warren County | 49 | 11 | 14 | 3.9 | 9,112 | |
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| Washington County | 47 | 11 | 13 | 3.9 | 4,538 | |
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| Wayne County | 37 | 11 | 8 | 3.9 | 1,475 | |
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| Webster County | 39 | 10 | 8 | 3.8 | 7,323 | |
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| Winnebago County | 40 | 11 | 8 | 3.8 | 2,341 | |
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| Winneshiek County | 33 | 11 | 4 | 3.8 | 4,632 | |
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| Woodbury County | 39 | 10 | 10 | 3.8 | 16,864 | |
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| Worth County | 45 | 12 | 12 | 3.9 | 1,684 | |
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| Wright County | 45 | 11 | 12 | 3.9 | 2,827 | |
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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.