Madison, Illinois Voting-age Population By Race in Census 2020
Updated on February 22, 2026.
According to the data from the US 2020 decennial Census, in April 2020, among Madison, IL voting-age population of 209,140 people, 83.43% of them (174,489 people) identified their race as White Alone, 8.67% of them (18,131 people) identified their race as Black or African American Alone, and 5.21% of them (10,894 people) identified their race as Two Or More Races.
The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Madison, IL voting-age population for each race. You can also find the information in a table below.
You can see similar information for other Illinois counties and also for the state of Illinois.
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Data Source: US Census Bureau, 2020 Census.
Madison, IL Voting-age Population By Race 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 |