Madison, Illinois Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 209.14K voting-age population of Madison, IL residents comprised of 7.19K residents who identified as Hispanic or Latino (3.44%), and 201.95K residents who identified as Non-Hispanic (96.56%).

Race: The White Alone voting-age population was the largest racial group in Madison, IL, with a voting-age population of 174.49K (83.43%). The Black or African American Alone voting-age population was the second largest racial group in Madison, IL, with a voting-age population of 18.13K (8.67%). The Two Or More Races voting-age population was the third largest racial group in Madison, IL, with a voting-age population of 10.89K (5.21%). The smallest racial group in Madison, IL was Native Hawaiian And Pacific Islander Alone with a voting-age population of 72 (0.03%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Madison, IL, with a voting-age population of 172.78K (82.61%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Madison, IL, with a voting-age population of 18.02K (8.62%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Madison, IL, with a voting-age population of 7.90K (3.78%). The smallest ethnic group in Madison, IL was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 2 (0.00%).

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

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

Madison, IL Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Madison, IL Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Madison, IL Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Madison, IL 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 18131 8.67
White Alone 174489 83.43
American Indian and Alaska Native Alone 637 0.31
Asian Alone 2226 1.06
Native Hawaiian And Pacific Islander Alone 72 0.03
Some Other Race Alone 2691 1.29
Two Or More Races 10894 5.21
Madison, IL 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 172776 82.61
Non-Hispanic - Black Alone 18024 8.62
Non-Hispanic - Two or More Races 7895 3.78
Hispanic - Two or More Races 2999 1.43
Non-Hispanic - Asian Alone 2194 1.05
Hispanic - Some Other Race Alone 2162 1.03
Hispanic - White Alone 1713 0.82
Non-Hispanic - Some Other Race Alone 529 0.25
Non-Hispanic - American Indian & Alaska Native 465 0.22
Hispanic - American Indian & Alaska Native 172 0.08
Hispanic - Black Alone 107 0.05
Non-Hispanic - Native Hawaiian & Pac. Islander 70 0.03
Hispanic - Asian Alone 32 0.02
Hispanic - Native Hawaiian & Pac. Islander 2 0.00