Oakbrook Terrace city, Illinois
Official LSAD Designation: Oakbrook Terrace city • Census GEOID: 1754560
• DuPage County
Demographics & Population Profile
Population and demographics for Oakbrook Terrace city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,792 | — | 2025 | Census |
| Median Age | 34.4 yrs | ±5.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,334 | ±154 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).