Indiana Medicare numbers by county
Medicare Advantage and Part D plans are offered county by county, so the plans open to you depend on where you live. Pick your county to see local figures and free help in your area.
| County | Residents 65+ | People with Medicare | Medicare Advantage share |
|---|---|---|---|
| Adams County | 6,067 | 6,852 | 44.7% |
| Allen County | 63,254 | 77,360 | 64.5% |
| Bartholomew County | 14,485 | 17,475 | 45.9% |
| Benton County | 1,606 | 1,910 | 47.1% |
| Blackford County | 2,638 | 3,168 | 53.8% |
| Boone County | 11,702 | 14,749 | 45.0% |
| Brown County | 4,263 | 4,983 | 46.8% |
| Carroll County | 4,343 | 4,956 | 43.3% |
| Cass County | 7,194 | 8,476 | 49.4% |
| Clark County | 21,563 | 27,059 | 47.5% |
| Clay County | 5,187 | 6,789 | 46.4% |
| Clinton County | 5,508 | 6,926 | 57.0% |
| Crawford County | 2,296 | 2,923 | 53.8% |
| Daviess County | 5,508 | 5,936 | 30.8% |
| DeKalb County | 7,822 | 10,107 | 67.2% |
| Dearborn County | 10,047 | 12,527 | 49.1% |
| Decatur County | 4,830 | 6,352 | 47.9% |
| Delaware County | 20,083 | 24,912 | 54.0% |
| Dubois County | 8,429 | 10,655 | 25.0% |
| Elkhart County | 32,658 | 38,101 | 53.3% |
| Fayette County | 4,931 | 6,464 | 49.2% |
| Floyd County | 14,612 | 18,504 | 42.0% |
| Fountain County | 3,409 | 4,249 | 48.2% |
| Franklin County | 4,738 | 6,622 | 39.6% |
| Fulton County | 4,293 | 5,193 | 54.4% |
| Gibson County | 6,161 | 7,804 | 43.1% |
| Grant County | 12,943 | 16,534 | 52.0% |
| Greene County | 6,426 | 8,080 | 43.5% |
| Hamilton County | 53,693 | 65,237 | 42.7% |
| Hancock County | 14,946 | 19,488 | 51.2% |
| Harrison County | 7,994 | 9,996 | 44.4% |
| Hendricks County | 28,842 | 34,435 | 51.5% |
| Henry County | 9,698 | 11,913 | 54.9% |
| Howard County | 16,886 | 21,187 | 51.3% |
| Huntington County | 7,020 | 9,233 | 64.3% |
| Jackson County | 7,953 | 9,625 | 61.0% |
| Jasper County | 6,446 | 8,189 | 39.0% |
| Jay County | 3,789 | 4,703 | 50.2% |
| Jefferson County | 6,578 | 8,215 | 43.4% |
| Jennings County | 4,836 | 6,535 | 56.1% |
| Johnson County | 26,818 | 33,296 | 52.1% |
| Knox County | 6,920 | 8,514 | 34.0% |
| Kosciusko County | 15,090 | 18,064 | 61.7% |
| LaGrange County | 6,108 | 6,388 | 56.1% |
| LaPorte County | 22,343 | 25,766 | 45.0% |
| Lake County | 91,656 | 106,263 | 46.4% |
| Lawrence County | 9,360 | 11,638 | 50.9% |
| Madison County | 25,091 | 31,387 | 61.4% |
| Marion County | 131,576 | 159,914 | 58.3% |
| Marshall County | 9,008 | 10,637 | 57.7% |
| Martin County | 2,176 | 2,561 | 35.5% |
| Miami County | 6,555 | 7,517 | 52.9% |
| Monroe County | 21,295 | 23,932 | 41.6% |
| Montgomery County | 7,438 | 9,090 | 51.7% |
| Morgan County | 13,629 | 17,822 | 56.7% |
| Newton County | 2,918 | 3,238 | 41.6% |
| Noble County | 8,530 | 10,519 | 63.9% |
| Ohio County | 1,427 | 1,739 | 53.9% |
| Orange County | 4,165 | 5,009 | 48.5% |
| Owen County | 4,642 | 5,626 | 54.6% |
| Parke County | 3,492 | 3,978 | 51.6% |
| Perry County | 3,820 | 4,725 | 45.3% |
| Pike County | 2,599 | 3,145 | 45.6% |
| Porter County | 33,101 | 40,126 | 39.9% |
| Posey County | 5,431 | 6,406 | 40.5% |
| Pulaski County | 2,707 | 3,296 | 43.8% |
| Putnam County | 6,713 | 8,462 | 54.7% |
| Randolph County | 5,075 | 6,133 | 43.5% |
| Ripley County | 5,498 | 6,589 | 53.9% |
| Rush County | 3,330 | 4,032 | 46.8% |
| Scott County | 4,243 | 5,779 | 58.5% |
| Shelby County | 8,774 | 10,874 | 56.8% |
| Spencer County | 4,182 | 5,183 | 43.9% |
| St. Joseph County | 47,027 | 54,464 | 55.5% |
| Starke County | 4,887 | 6,298 | 49.6% |
| Steuben County | 7,925 | 9,201 | 64.8% |
| Sullivan County | 3,983 | 4,788 | 43.9% |
| Switzerland County | 1,983 | 2,132 | 55.9% |
| Tippecanoe County | 23,795 | 28,554 | 45.0% |
| Tipton County | 3,448 | 3,922 | 45.5% |
| Union County | 1,498 | 1,737 | 47.9% |
| Vanderburgh County | 33,660 | 40,633 | 47.7% |
| Vermillion County | 3,145 | 4,031 | 48.4% |
| Vigo County | 18,749 | 23,452 | 47.9% |
| Wabash County | 6,819 | 8,571 | 55.8% |
| Warren County | 1,827 | 2,159 | 37.1% |
| Warrick County | 12,635 | 15,366 | 44.9% |
| Washington County | 5,378 | 6,813 | 50.1% |
| Wayne County | 13,123 | 16,641 | 41.6% |
| Wells County | 5,490 | 6,811 | 56.3% |
| White County | 5,469 | 6,484 | 43.3% |
| Whitley County | 6,920 | 8,581 | 70.0% |
Sources: U.S. Census Bureau 2023 population estimates; CMS Medicare Advantage State/County Penetration, September 2026. Medicare Advantage share = people enrolled in a Medicare Advantage plan divided by people with Medicare. “n/a” means CMS does not publish a figure for very small counties.
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