Dupage, 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 724.33K voting-age population of Dupage, IL residents comprised of 97.66K residents who identified as Hispanic or Latino (13.48%), and 626.67K residents who identified as Non-Hispanic (86.52%).

Race: The White Alone voting-age population was the largest racial group in Dupage, IL, with a voting-age population of 498.91K (68.88%). The Asian Alone voting-age population was the second largest racial group in Dupage, IL, with a voting-age population of 91.51K (12.63%). The Two Or More Races voting-age population was the third largest racial group in Dupage, IL, with a voting-age population of 52.00K (7.18%). The smallest racial group in Dupage, IL was Native Hawaiian And Pacific Islander Alone with a voting-age population of 235 (0.03%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Dupage, IL, with a voting-age population of 482.73K (66.64%). The Non-Hispanic - Asian Alone voting-age population was the second largest ethnic group in Dupage, IL, with a voting-age population of 91.14K (12.58%). The Hispanic - Some Other Race Alone voting-age population was the third largest ethnic group in Dupage, IL, with a voting-age population of 42.17K (5.82%). The smallest ethnic group in Dupage, IL was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 69 (0.01%).

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

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

Dupage, IL Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Dupage, IL Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Dupage, IL Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Dupage, 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 33634 4.64
White Alone 498909 68.88
American Indian and Alaska Native Alone 3601 0.50
Asian Alone 91512 12.63
Native Hawaiian And Pacific Islander Alone 235 0.03
Some Other Race Alone 44447 6.14
Two Or More Races 51995 7.18
Dupage, 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 482728 66.64
Non-Hispanic - Asian Alone 91138 12.58
Hispanic - Some Other Race Alone 42166 5.82
Hispanic - Two or More Races 35259 4.87
Non-Hispanic - Black Alone 32988 4.55
Non-Hispanic - Two or More Races 16736 2.31
Hispanic - White Alone 16181 2.23
Hispanic - American Indian & Alaska Native 2969 0.41
Non-Hispanic - Some Other Race Alone 2281 0.32
Hispanic - Black Alone 646 0.09
Non-Hispanic - American Indian & Alaska Native 632 0.09
Hispanic - Asian Alone 374 0.05
Non-Hispanic - Native Hawaiian & Pac. Islander 166 0.02
Hispanic - Native Hawaiian & Pac. Islander 69 0.01