Prospect Heights city, Illinois
Official LSAD Designation: Prospect Heights city • Census GEOID: 1762016
• Cook County
Demographics & Population Profile
Population and demographics for Prospect Heights city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 15,552 | — | 2025 | Census |
| Median Age | 42.8 yrs | ±3.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 6,679 | ±430 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).