DuPage County Demographics

A map of DuPage County's Population by Race

DuPage County, Illinois had a population of 932,877 in 2020. It was 63.4% White, 4.7% Black, 12.8% Asian, 15.5% Hispanic, 0.5% Native American/Other, and 3.2% Multiracial. This map presents the population of DuPage County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

DuPage County is the 2nd most populous county of the 102 counties in Illinois.

DuPage County's White Population

591,441 residents of DuPage County identify as White, or 63.4%. This makes the White share of the population of DuPage County slightly larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, DuPage County is ranked #94 in terms of White residents as a share of the population.

DuPage County is more White than neighboring Kane County (54.7% White), Will County (60.1% White), and Cook County (40.5% White). DuPage County is less White than neighboring Kendall County (64.2% White), and McHenry County (76.9% White).

DuPage County's Black Population

44,201 residents of DuPage County identify as Black, or 4.7%. This makes the Black share of the population of DuPage County slightly less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, DuPage County is ranked #36 in terms of Black residents as a share of the population.

DuPage County is more Black than neighboring McHenry County (1.3% Black). DuPage County is less Black than neighboring Kane County (5.1% Black), Will County (11.4% Black), Kendall County (7.4% Black), and Cook County (22.5% Black).

DuPage County's Asian Population

118,982 residents of DuPage County identify as Asian, or 12.8%. This makes the Asian share of the population of DuPage County slightly larger than the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, DuPage County is ranked #1 in terms of Asian residents as a share of the population.

DuPage County is more Asian than neighboring Kane County (4.1% Asian), Will County (6.1% Asian), Kendall County (3.5% Asian), Cook County (7.7% Asian), and McHenry County (2.8% Asian).

DuPage County's Hispanic Population

144,291 residents of DuPage County identify as Hispanic, or 15.5%. This makes the Hispanic share of the population of DuPage County roughly similar to the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, DuPage County is ranked #8 in terms of Hispanic residents as a share of the population.

DuPage County is more Hispanic than neighboring McHenry County (15.1% Hispanic). DuPage County is less Hispanic than neighboring Kane County (32.8% Hispanic), Will County (18.8% Hispanic), Kendall County (20.6% Hispanic), and Cook County (26.2% Hispanic).

DuPage County's Native American/Other Population

4,391 residents of DuPage County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.5%. This makes the Native American/Other share of the population of DuPage County roughly similar to the Native American/Other share of the population of Illinois (0.5% Native American/Other). Of the 102 counties in Illinois, DuPage County is ranked #36 in terms of Native American/Other residents as a share of the population.

DuPage County is more Native American/Other than neighboring Kane County (0.4% Native American/Other), Will County (0.4% Native American/Other), and McHenry County (0.4% Native American/Other).

DuPage County's Multiracial Population

29,571 residents of DuPage County identify as Multiracial, or 3.2%. This makes the Multiracial share of the population of DuPage County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, DuPage County is ranked #64 in terms of Multiracial residents as a share of the population.

DuPage County is more Multiracial than neighboring Kane County (2.9% Multiracial), and Cook County (2.6% Multiracial). DuPage County is less Multiracial than neighboring Kendall County (3.9% Multiracial), and McHenry County (3.5% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.