DuPage County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for DuPage County, IL was 654.54K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (481.84K) and constituted 73.61% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (66.57K) and constituted 10.17% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (64.50K), constituting 9.85% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other Illinois counties, and for Illinois.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

DuPage County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

DuPage County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2021

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	481835	73.61
Hispanic or Latino of All Races	66565	10.17
Non-Hispanic Asian Alone	64495	9.85
Non-Hispanic Black or African American Alone	31790	4.86
Non-Hispanic Two Or More Races	9395	1.44
Non-Hispanic American Indian and Alaska Native Alone	320	0.05
Non-Hispanic Native Hawaiian And Pacific Islander Alone	135	0.02