Ranking of Indiana Counties By Voting-age Population Percentage from Census 2020

Updated on August 22, 2023.

According to the data from the US 2020 Census, as at April 2020, Monroe County had the highest voting-age population percentage in Indiana (83.41%), followed by Brown County (81.69%), and Delaware County (80.68%).

The chart below shows the top 10 counties with high voting-age population percentage, and the table below shows the ranking of all Indiana counties based on the percentage of the population that were in the voting-age (18 years and over) group.

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of Indiana Counties By Voting-age Population Percentage from Census 2020
Monroe
83.41%
Brown
81.69%
Delaware
80.68%
Putnam
80.53%
Steuben
79.87%
Henry
79.84%
Sullivan
79.69%
Vigo
79.57%
Ohio
79.53%
Perry
79.36%
Ranking of Indiana Counties By Voting-age Population Percentage from Census 2020
Rank
County
% of County Voting-age Population
1 Monroe County 83.41
2 Brown County 81.69
3 Delaware County 80.68
4 Putnam County 80.53
5 Steuben County 79.87
6 Henry County 79.84
7 Sullivan County 79.69
8 Vigo County 79.57
9 Ohio County 79.53
10 Perry County 79.36
11 Grant County 79.28
12 Jefferson County 78.94
13 Tippecanoe County 78.93
14 Owen County 78.81
15 LaPorte County 78.71
16 Vermillion County 78.68
17 Blackford County 78.66
18 Lawrence County 78.64
19 Tipton County 78.60
20 Newton County 78.58
21 Wabash County 78.41
22 Vanderburgh County 78.38
23 Madison County 78.35
24 Fountain County 78.32
25 Fayette County 78.27
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