Indiana Citizen Voting-age Population By County in 2020 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for Indiana was 4,933,505 and represented 73.67% of the total Indiana population.
Among all Indiana counties, Marion had the highest citizen voting-age population (666.62K), followed by Lake (358.51K), and Allen (267.05K).
In terms of percentages, Brown had the highest percentage of its population being citizens of voting-age (81.88%), followed by Delaware (80.50%), and Ohio (80.47%).
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 | 666615 | 69.63 |
| Lake | 358505 | 73.77 |
| Allen | 267050 | 71.11 |
| Hamilton | 229710 | 69.51 |
| St. Joseph | 197745 | 73.00 |
| Vanderburgh | 139380 | 76.77 |
| Elkhart | 138920 | 67.71 |
| Tippecanoe | 137480 | 71.12 |
| Porter | 129650 | 76.50 |
| Hendricks | 122080 | 73.19 |
| Monroe | 116140 | 78.83 |
| Johnson | 114385 | 73.25 |
| Madison | 99990 | 77.22 |
| Delaware | 92140 | 80.50 |
| Clark | 88485 | 75.36 |
| LaPorte | 84595 | 76.89 |
| Vigo | 83390 | 77.71 |
| Howard | 63055 | 76.44 |
| Floyd | 59570 | 76.49 |
| Hancock | 58010 | 75.72 |
| Kosciusko | 57805 | 73.03 |
| Bartholomew | 57040 | 68.49 |
| Morgan | 53895 | 76.84 |
| Grant | 51790 | 78.40 |
| Wayne | 50635 | 76.52 |
| Boone | 47765 | 71.42 |
| Warrick | 46405 | 74.12 |
| Dearborn | 38240 | 77.08 |
| Henry | 38090 | 79.09 |
| Lawrence | 35305 | 77.51 |
| Noble | 34235 | 71.86 |
| Shelby | 33685 | 75.60 |
| Marshall | 33105 | 71.45 |
| DeKalb | 32565 | 75.39 |
| Jackson | 31890 | 72.35 |
| Dubois | 31015 | 72.92 |
| Harrison | 30925 | 77.00 |
| Putnam | 29505 | 78.85 |
| Montgomery | 28985 | 75.69 |
| Knox | 28630 | 77.72 |
| Huntington | 28230 | 77.66 |
| Miami | 27755 | 77.78 |
| Steuben | 27205 | 78.65 |
| Cass | 27130 | 71.92 |
| LaGrange | 26230 | 66.35 |
| Whitley | 25960 | 76.58 |
| Jefferson | 25350 | 78.81 |
| Gibson | 25330 | 75.14 |
| Jasper | 25290 | 75.64 |
| Greene | 25035 | 77.81 |
| Wabash | 24535 | 78.64 |
| Adams | 24175 | 68.01 |
| Daviess | 22900 | 68.82 |
| Clinton | 21980 | 68.29 |
| Ripley | 21495 | 75.54 |
| Washington | 21495 | 76.93 |
| Jennings | 21040 | 76.12 |
| Wells | 20880 | 74.55 |
| Clay | 20050 | 76.44 |
| Decatur | 19895 | 74.83 |
| Posey | 19780 | 77.63 |
| Randolph | 18665 | 75.58 |
| Scott | 18390 | 77.32 |
| Fayette | 17875 | 77.48 |
| White | 17810 | 73.70 |
| Starke | 17460 | 75.93 |
| Franklin | 17275 | 75.93 |
| Sullivan | 16595 | 80.38 |
| Owen | 16395 | 78.61 |
| Spencer | 15810 | 77.63 |
| Carroll | 15440 | 76.68 |
| Jay | 15385 | 74.34 |
| Orange | 15030 | 76.88 |
| Perry | 15005 | 78.60 |
| Fulton | 14895 | 74.22 |
| Parke | 13085 | 77.38 |
| Rush | 12865 | 77.36 |
| Fountain | 12695 | 77.15 |
| Brown | 12360 | 81.88 |
| Vermillion | 11990 | 77.43 |
| Tipton | 11840 | 78.13 |
| Newton | 10660 | 76.25 |
| Pike | 9635 | 77.92 |
| Pulaski | 9620 | 77.08 |
| Blackford | 9240 | 77.48 |
| Crawford | 8220 | 77.69 |
| Switzerland | 8070 | 75.25 |
| Martin | 7905 | 77.73 |
| Warren | 6445 | 78.41 |
| Benton | 6425 | 73.89 |
| Union | 5535 | 77.52 |
| Ohio | 4740 | 80.47 |
