DuPage County Demographics

A map of DuPage County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	578,175	591,441	62.2%	63.4%
Hispanic	149,533	144,291	16.1%	15.5%
Asian	120,470	118,982	13.0%	12.8%
Black	45,054	44,201	4.8%	4.7%
Multiracial	32,402	29,571	3.5%	3.2%
Native American/Other	4,390	4,391	0.5%	0.5%

DuPage County, Illinois has an estimated population of 930,024, a less than 1% change from the 932,877 recorded in the 2020 Census. The population is 62.2% White, 16.1% Hispanic, 13.0% Asian, 4.8% Black, 3.5% Multiracial, and 0.5% Native American/Other. This demographic dot map shows the population of DuPage County, with one dot drawn for each person counted by the Census, color-coded by race.

DuPage has become more racially diverse since the 2020 Census. It is less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In DuPage County, that probability was 55.5% in 2020 and 56.7% in the most recent ACS estimates.

DuPage County is ranked the 2nd most populous county in Illinois, out of 102 counties. DuPage County was ranked the 2nd most populous county in the 2020 Census.

DuPage County's White Population

578,175 residents of DuPage County, or 62.2% of the population, identify as White. The share of White residents in DuPage County is slightly higher than in Illinois overall, where 58.1% of the population is White. DuPage County ranks 94th statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, DuPage County's White population has declined by an estimated 2.2%. White residents' share of DuPage County's population has decreased from 63.4% to 62.2%.

DuPage County is more White than neighboring Kane County (54% White), Will County (58.6% White), Kendall County (62% White), and Cook County (40.1% White). DuPage County is less White than neighboring McHenry County (76.1% White).

DuPage County's Black Population

45,054 residents of DuPage County, or 4.8% of the population, identify as Black. The share of Black residents in DuPage County is lower than in Illinois overall, where 13.3% of the population is Black. DuPage County ranks 36th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, DuPage County's Black population has grown by an estimated 1.9%. Black residents' share of DuPage County's population has remained roughly unchanged at 4.8%.

DuPage County is more Black than neighboring Kane County (4.7% Black), and McHenry County (1.4% Black). DuPage County is less Black than neighboring Will County (11.6% Black), Kendall County (7.6% Black), and Cook County (21.8% Black).

DuPage County's Asian Population

120,470 residents of DuPage County, or 13.0% of the population, identify as Asian. The share of Asian residents in DuPage County is higher than in Illinois overall, where 5.9% of the population is Asian. DuPage County ranks 1st statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, DuPage County's Asian population has grown by an estimated 1.3%. Asian residents' share of DuPage County's population has remained roughly unchanged at 13.0%.

DuPage County is more Asian than neighboring Kane County (4% Asian), Will County (6.3% Asian), Kendall County (3.5% Asian), Cook County (7.9% Asian), and McHenry County (3% Asian).

DuPage County's Hispanic Population

149,533 residents of DuPage County, or 16.1% of the population, identify as Hispanic. The share of Hispanic residents in DuPage County is slightly lower than in Illinois overall, where 18.8% of the population is Hispanic. DuPage County ranks 8th statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, DuPage County's Hispanic population has grown by an estimated 3.6%. Hispanic residents' share of DuPage County's population has increased from 15.5% to 16.1%.

DuPage County is less Hispanic than neighboring Kane County (33.4% Hispanic), Will County (19.8% Hispanic), Kendall County (22.4% Hispanic), and Cook County (26.8% Hispanic).

DuPage County's Native American/Other Population

4,390 residents of DuPage County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in DuPage County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. DuPage County ranks 36th statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, DuPage County's Native American/Other population has remained roughly the same. Native American/Other residents' share of DuPage County's population has remained roughly unchanged at 0.5%.

DuPage County is more Native American/Other than neighboring Will County (0.4% Native American/Other), and McHenry County (0.3% Native American/Other).

DuPage County's Multiracial Population

32,402 residents of DuPage County, or 3.5% of the population, identify as Multiracial. The share of Multiracial residents in DuPage County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. DuPage County ranks 64th statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, DuPage County's Multiracial population has grown by an estimated 9.6%. Multiracial residents' share of DuPage County's population has remained roughly unchanged at 3.5%.

DuPage County is more Multiracial than neighboring Kane County (3.4% Multiracial), Will County (3.4% Multiracial), Cook County (3% Multiracial), and McHenry County (3.2% Multiracial). DuPage County is less Multiracial than neighboring Kendall County (3.9% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.