Population By Race and Ethnicity in Dupage, IL in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 927,808 population of Dupage County, Illinois comprised of 132,631 people who identified as Hispanic (14.3%), and 795,177 people who identified as Non-Hispanic (85.71%).

Race: The White Alone population was the largest racial group in Dupage County, Illinois with a population of 738,226 (79.57%); Asian Alone population was the second largest racial group with a population of 117,645 (12.68%); and Black or African American Alone was the third largest racial group with a population of 48,565 (5.23%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Dupage County, Illinois in 2018, with a population of 616,239 (66.42%); the second largest ethnic group was White Alone - Hispanic with a population of 121,987 (13.15%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 116,247 (12.53%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Dupage, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

See this for other years:
Hispanics and Non Hispanics in Dupage, IL in 2018
Total Population:
Race in Dupage, IL in 2018
Total Population:
Ethnicity in Dupage, IL in 2018
Total Population:
Population By Race in Dupage , IL in 2018
Race Population Percentage
Black or African American Alone 48,565 5.23%
White Alone 738,226 79.57%
American Indian and Alaska Native Alone 3,735 0.4%
Asian Alone 117,645 12.68%
Native Hawaiian And Pacific Islander Alone 489 0.05%
Two Or More Races 19,148 2.06%
Population By Ethnicity in Dupage , IL in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3,000 0.32%
White Alone - Hispanic 121,987 13.15%
American Indian and Alaska Native Alone - Hispanic 2,732 0.29%
Asian Alone - Hispanic 1,398 0.15%
Native Hawaiian And Pacific Islander Alone - Hispanic 274 0.03%
Two Or More Races - Hispanic 3,240 0.35%
Black or African American Alone - Non Hispanic 45,565 4.91%
White Alone - Non Hispanic 616,239 66.42%
American Indian and Alaska Native Alone - Non Hispanic 1,003 0.11%
Asian Alone - Non Hispanic 116,247 12.53%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 215 0.02%
Two Or More Races - Non Hispanic 15,908 1.72%