Indiana Citizen Voting-age Population By County in 2012 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen voting-age population for Indiana was 4,712,810 and represented 72.67% of the total Indiana population.

Among all Indiana counties, Marion had the highest citizen voting-age population (629.00K), followed by Lake (354.10K), and Allen (249.71K).

In terms of percentages, Brown had the highest percentage of its population being citizens of voting-age (79.15%), followed by Delaware (78.99%), and Ohio (78.92%).

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.

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Indiana Citizen Voting-age Population By County in 2012
Indiana Citizen Voting-age Population By County in 2012
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County Citizen Voting-age Population % of County Population
Marion 629000 69.54
Lake 354095 71.50
Allen 249710 70.16
St. Joseph 193240 72.43
Hamilton 185520 67.19
Vanderburgh 137730 76.68
Elkhart 131390 66.29
Tippecanoe 124530 71.85
Porter 122530 74.54
Monroe 107965 78.21
Hendricks 103565 70.99
Johnson 100990 72.12
Madison 99570 75.87
Delaware 92780 78.99
LaPorte 84370 75.78
Vigo 83195 77.17
Clark 81595 74.11
Howard 62775 75.71
Floyd 55720 74.69
Kosciusko 55680 72.00
Grant 54280 77.67
Bartholomew 54160 70.07
Wayne 52205 75.89
Morgan 51400 74.46
Hancock 51350 73.59
Warrick 43750 73.35
Boone 40275 70.88
Henry 38450 77.87
Dearborn 37235 74.61
Lawrence 35135 76.17
Marshall 33040 70.23
Noble 33030 69.47
Shelby 32775 73.76
DeKalb 30760 72.86
Jackson 30470 71.84
Dubois 30290 72.13
Harrison 29760 76.11
Knox 29715 77.40
Putnam 29610 77.93
Montgomery 28310 74.10
Miami 28295 76.78
Huntington 28200 75.92
Cass 26805 68.95
Steuben 25950 76.07
Greene 25200 76.29
Gibson 25120 75.13
Wabash 25050 76.36
Whitley 24990 75.19
Jefferson 24695 75.99
Jasper 24355 72.99
LaGrange 24060 64.53
Adams 23650 68.86
Clinton 22670 68.32
Daviess 22080 69.86
Washington 21005 74.59
Ripley 20985 73.12
Wells 20725 74.89
Jennings 20680 72.88
Clay 20330 75.55
Posey 19620 75.93
Randolph 19575 75.00
Decatur 18975 73.63
Fayette 18360 75.81
Scott 18095 75.26
White 18050 73.34
Starke 17610 75.55
Franklin 17015 73.63
Sullivan 16765 78.41
Owen 16490 76.40
Spencer 15795 75.39
Jay 15505 72.61
Perry 15260 78.62
Fulton 15240 73.41
Orange 14890 75.09
Carroll 14825 73.74
Parke 13460 78.03
Rush 13025 75.07
Fountain 12960 75.31
Vermillion 12435 76.64
Tipton 12225 76.81
Brown 12015 79.15
Newton 10775 75.88
Pulaski 10095 75.36
Pike 9950 77.43
Blackford 9815 77.04
Crawford 8160 76.26
Martin 7800 75.73
Switzerland 7765 73.88
Warren 6500 76.56
Benton 6480 73.51
Union 5655 75.91
Ohio 4810 78.92