| Name | DuPage County |
| State | Illinois |
| FIPS Code | 17043 |
| County Seat | Wheaton |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 918,608 |
| Population Growth Rate(2000-2022) | 1.74% |
| Majority Ethnicity | White 79.7% |
| Public School Majority Ethnicity | White 49% |
| Partisan Voting Index | Democratic:+9 |
| Unemployment Rate (December 2024) | 4.5% |
| Area Code(s) | 331 / 630 / 224 / 847 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 79.7% |
| African American | 5.58% |
| Hispanic | 0.34% |
| Asian | 14.29% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0.04% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 48.71% |
| African American | 6.56% |
| Hispanic | 26.4% |
| Asian | 13.58% |
| Native American | 0.3% |
| Hawaiin/Pacific Islander | 0.12% |