Derry borough, Pennsylvania
Official LSAD Designation: Derry borough • Census GEOID: 4218960
• Westmoreland County
Demographics & Population Profile
Population and demographics for Derry borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,561 | — | 2025 | Census |
| Median Age | 41.6 yrs | ±2.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,192 | ±82 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).