Warrenville city, Illinois
Official LSAD Designation: Warrenville city • Census GEOID: 1778929
• DuPage County
Demographics & Population Profile
Population and demographics for Warrenville city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 15,211 | — | 2025 | Census |
| Median Age | 36.5 yrs | ±1.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,730 | ±294 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).