Indiana Citizen Voting-age Population By County in 2021 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Indiana was 4,964,970 and represented 73.54% of the total Indiana population.
Among all Indiana counties, Marion had the highest citizen voting-age population (672.07K), followed by Lake (365.52K), and Allen (270.48K).
In terms of percentages, Brown had the highest percentage of its population being citizens of voting-age (81.68%), followed by Delaware (80.54%), and Ohio (80.35%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| Marion | 672065 | 69.32 |
| Lake | 365515 | 73.70 |
| Allen | 270480 | 70.84 |
| Hamilton | 237435 | 69.50 |
| St. Joseph | 198710 | 73.04 |
| Elkhart | 140025 | 67.87 |
| Vanderburgh | 137160 | 76.33 |
| Tippecanoe | 132510 | 71.26 |
| Porter | 131810 | 76.48 |
| Hendricks | 125925 | 73.17 |
| Johnson | 117370 | 73.48 |
| Monroe | 110680 | 78.95 |
| Madison | 100440 | 77.24 |
| Delaware | 90595 | 80.54 |
| Clark | 90570 | 75.36 |
| LaPorte | 86150 | 76.79 |
| Vigo | 82810 | 77.74 |
| Howard | 63515 | 76.20 |
| Floyd | 60590 | 76.12 |
| Hancock | 59465 | 75.64 |
| Kosciusko | 58430 | 72.90 |
| Bartholomew | 55585 | 67.99 |
| Morgan | 54655 | 76.55 |
| Grant | 52215 | 78.17 |
| Wayne | 50650 | 76.06 |
| Boone | 50115 | 71.76 |
| Warrick | 47160 | 74.18 |
| Dearborn | 38970 | 77.18 |
| Henry | 38555 | 78.92 |
| Lawrence | 35005 | 77.56 |
| Noble | 34235 | 72.39 |
| Shelby | 33840 | 75.49 |
| Marshall | 33370 | 72.27 |
| Jackson | 32865 | 71.52 |
| DeKalb | 32335 | 75.09 |
| Dubois | 31645 | 72.79 |
| Harrison | 30395 | 76.92 |
| Putnam | 29040 | 78.83 |
| Montgomery | 28605 | 75.35 |
| Huntington | 28295 | 77.37 |
| Knox | 28165 | 77.46 |
| Miami | 28065 | 77.74 |
| Cass | 27250 | 71.86 |
| Steuben | 27090 | 78.80 |
| LaGrange | 26630 | 66.43 |
| Whitley | 26085 | 76.61 |
| Jefferson | 26010 | 78.82 |
| Jasper | 24880 | 75.38 |
| Gibson | 24695 | 74.80 |
| Wabash | 24500 | 78.73 |
| Adams | 24165 | 67.72 |
| Greene | 23980 | 77.54 |
| Daviess | 22700 | 68.21 |
| Clinton | 22525 | 68.24 |
| Ripley | 21840 | 75.43 |
| Washington | 21495 | 76.70 |
| Jennings | 20995 | 76.01 |
| Wells | 20910 | 74.40 |
| Clay | 20165 | 76.40 |
| Decatur | 19710 | 74.48 |
| Posey | 19545 | 77.25 |
| Randolph | 18685 | 75.71 |
| Scott | 18670 | 76.86 |
| Fayette | 18110 | 77.41 |
| White | 18110 | 73.63 |
| Starke | 17700 | 76.05 |
| Franklin | 17385 | 76.35 |
| Owen | 16705 | 78.50 |
| Sullivan | 16485 | 79.20 |
| Carroll | 15550 | 76.64 |
| Spencer | 15290 | 76.64 |
| Jay | 15220 | 73.99 |
| Orange | 15175 | 76.83 |
| Fulton | 15150 | 74.27 |
| Perry | 15045 | 78.56 |
| Rush | 12815 | 76.71 |
| Parke | 12705 | 77.87 |
| Fountain | 12685 | 77.25 |
| Brown | 12615 | 81.68 |
| Tipton | 12020 | 78.61 |
| Vermillion | 11970 | 77.35 |
| Newton | 10615 | 76.56 |
| Pulaski | 9650 | 77.23 |
| Pike | 9575 | 78.36 |
| Blackford | 9375 | 77.22 |
| Crawford | 8210 | 78.12 |
| Martin | 7640 | 77.29 |
| Switzerland | 7430 | 75.28 |
| Warren | 6565 | 77.88 |
| Benton | 6375 | 73.40 |
| Union | 5500 | 77.47 |
| Ohio | 4765 | 80.35 |
