Brentwood borough, Pennsylvania
Official LSAD Designation: Brentwood borough • Census GEOID: 4208416
• Allegheny County
Demographics & Population Profile
Population and demographics for Brentwood borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,597 | — | 2025 | Census |
| Median Age | 39.1 yrs | ±4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,562 | ±402 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).