Marion County, Indiana Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 742.44K voting-age population of Marion County, IN residents comprised of 81.13K residents who identified as Hispanic or Latino (10.93%), and 661.31K residents who identified as Non-Hispanic (89.07%).

Race: The White Alone voting-age population was the largest racial group in Marion County, IN, with a voting-age population of 423.14K (56.99%). The Black or African American Alone voting-age population was the second largest racial group in Marion County, IN, with a voting-age population of 193.50K (26.06%). The Some Other Race Alone voting-age population was the third largest racial group in Marion County, IN, with a voting-age population of 48.21K (6.49%). The smallest racial group in Marion County, IN was Native Hawaiian And Pacific Islander Alone with a voting-age population of 356 (0.05%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Marion County, IN, with a voting-age population of 411.84K (55.47%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Marion County, IN, with a voting-age population of 191.84K (25.84%). The Hispanic - Some Other Race Alone voting-age population was the third largest ethnic group in Marion County, IN, with a voting-age population of 44.94K (6.05%). The smallest ethnic group in Marion County, IN was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 65 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Marion County, Indiana from the 2020 decennial census.

You can see similar information for other Indiana counties and also for the state of Indiana.

Marion County, IN Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Marion County, IN Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Marion County, IN Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Marion County, IN Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 193504 26.06
White Alone 423140 56.99
American Indian and Alaska Native Alone 3719 0.50
Asian Alone 28050 3.78
Native Hawaiian And Pacific Islander Alone 356 0.05
Some Other Race Alone 48206 6.49
Two Or More Races 45467 6.12
Marion County, IN Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 411843 55.47
Non-Hispanic - Black Alone 191837 25.84
Hispanic - Some Other Race Alone 44938 6.05
Non-Hispanic - Asian Alone 27888 3.76
Non-Hispanic - Two or More Races 24758 3.34
Hispanic - Two or More Races 20709 2.79
Hispanic - White Alone 11297 1.52
Non-Hispanic - Some Other Race Alone 3268 0.44
Hispanic - American Indian & Alaska Native 2295 0.31
Hispanic - Black Alone 1667 0.23
Non-Hispanic - American Indian & Alaska Native 1424 0.19
Non-Hispanic - Native Hawaiian & Pac. Islander 291 0.04
Hispanic - Asian Alone 162 0.02
Hispanic - Native Hawaiian & Pac. Islander 65 0.01