Indiana Citizen Voting-age Population By County in 2015 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Indiana was 4,801,115 and represented 73.09% of the total Indiana population.
Among all Indiana counties, Marion had the highest citizen voting-age population (645.57K), followed by Lake (355.30K), and Allen (256.21K).
In terms of percentages, Ohio had the highest percentage of its population being citizens of voting-age (79.79%), followed by Brown (79.58%), and Delaware (79.41%).
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 | 645565 | 69.69 |
| Lake | 355300 | 72.28 |
| Allen | 256215 | 70.49 |
| Hamilton | 200795 | 67.69 |
| St. Joseph | 193980 | 72.58 |
| Vanderburgh | 139080 | 76.71 |
| Elkhart | 132835 | 66.19 |
| Tippecanoe | 128850 | 71.21 |
| Porter | 125520 | 75.36 |
| Monroe | 111375 | 78.21 |
| Hendricks | 110050 | 71.72 |
| Johnson | 105525 | 72.45 |
| Madison | 99965 | 76.73 |
| Delaware | 93180 | 79.41 |
| LaPorte | 84965 | 76.35 |
| Clark | 84685 | 74.82 |
| Vigo | 83790 | 77.39 |
| Howard | 62950 | 76.06 |
| Floyd | 57135 | 75.28 |
| Kosciusko | 56795 | 72.83 |
| Bartholomew | 55360 | 69.64 |
| Grant | 54035 | 78.43 |
| Hancock | 53275 | 74.69 |
| Morgan | 52410 | 75.51 |
| Wayne | 51785 | 76.31 |
| Warrick | 45045 | 73.85 |
| Boone | 43205 | 71.40 |
| Henry | 38490 | 78.32 |
| Dearborn | 37755 | 76.00 |
| Lawrence | 35225 | 76.89 |
| Noble | 34020 | 71.55 |
| Marshall | 33385 | 71.09 |
| Shelby | 33280 | 74.89 |
| Jackson | 31565 | 72.61 |
| DeKalb | 31405 | 73.98 |
| Dubois | 30605 | 72.37 |
| Harrison | 30065 | 76.64 |
| Knox | 29765 | 78.21 |
| Putnam | 29740 | 78.99 |
| Montgomery | 28405 | 74.42 |
| Huntington | 28270 | 76.69 |
| Miami | 28130 | 77.69 |
| Cass | 26750 | 69.53 |
| Steuben | 26455 | 77.21 |
| Gibson | 25500 | 75.74 |
| Whitley | 25350 | 76.06 |
| Greene | 25215 | 76.84 |
| Jefferson | 25125 | 77.42 |
| Wabash | 25100 | 77.57 |
| Jasper | 24540 | 73.36 |
| LaGrange | 24535 | 64.42 |
| Adams | 23685 | 68.38 |
| Clinton | 22755 | 69.30 |
| Daviess | 22385 | 69.07 |
| Ripley | 21395 | 74.78 |
| Washington | 21120 | 75.62 |
| Jennings | 21050 | 74.87 |
| Wells | 20850 | 75.01 |
| Clay | 20360 | 76.30 |
| Posey | 19655 | 76.88 |
| Decatur | 19470 | 74.20 |
| Randolph | 19290 | 75.37 |
| Fayette | 18355 | 77.20 |
| Scott | 18015 | 75.74 |
| White | 17870 | 73.27 |
| Starke | 17530 | 75.84 |
| Franklin | 17235 | 75.15 |
| Sullivan | 16745 | 79.32 |
| Owen | 16485 | 77.80 |
| Spencer | 15890 | 76.19 |
| Jay | 15555 | 73.18 |
| Perry | 15275 | 78.68 |
| Fulton | 15200 | 74.06 |
| Carroll | 14970 | 74.79 |
| Orange | 14860 | 75.34 |
| Parke | 13355 | 78.08 |
| Rush | 13030 | 76.69 |
| Fountain | 12830 | 75.96 |
| Vermillion | 12220 | 77.05 |
| Tipton | 12085 | 77.59 |
| Brown | 11945 | 79.58 |
| Newton | 10625 | 75.60 |
| Pulaski | 9985 | 76.54 |
| Pike | 9880 | 77.89 |
| Blackford | 9670 | 77.52 |
| Crawford | 8185 | 77.29 |
| Martin | 7875 | 76.75 |
| Switzerland | 7800 | 74.29 |
| Warren | 6505 | 77.76 |
| Benton | 6415 | 73.31 |
| Union | 5555 | 76.10 |
| Ohio | 4815 | 79.79 |
