DuPage County's 2026 population is estimated at 953,066, reflecting a 0.84% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). DuPage County is the 2nd largest county in Illinois. The 2010 population was 917,996 and has grown 3.82% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.2 years
Female: 41.3 years
Male: 39.1 years
There are 723,949 adults, (161,240 of whom are seniors) in DuPage County.
Female: 469,502 (50.5%)
Male: 460,522 (49.5%)
The racial composition of DuPage County includes 64.79% White, 13.02% Asian, 5.99% other race, 4.96% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 602,548 | 64.79% |
| Asian | 121,134 | 13.02% |
| Two or more races | 100,060 | 10.76% |
| Other race | 55,690 | 5.99% |
| Black or African American | 46,090 | 4.96% |
| Native American | 4,229 | 0.45% |
| Native Hawaiian or Pacific Islander | 273 | 0.03% |
DuPage County 's average per capita income is $67,696. Household income levels show a median of $112,096. The poverty rate stands at 6.56%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $156,028 | $198,353 |
| Families | $138,559 | $179,131 |
| Households | $112,096 | $152,117 |
| Non Families | $64,280 | $84,736 |
Average Income
Median Household Income
Poverty Rate