Willowbrook village, Illinois
Official LSAD Designation: Willowbrook village • Census GEOID: 1781919
• DuPage County
Demographics & Population Profile
Population and demographics for Willowbrook village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,126 | — | 2025 | Census |
| Median Age | 45 yrs | ±5.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,965 | ±268 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).