St. Clair borough, Pennsylvania
Official LSAD Designation: St. Clair borough • Census GEOID: 4267224
• Schuylkill County
Demographics & Population Profile
Population and demographics for St. Clair borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,755 | — | 2025 | Census |
| Median Age | 47 yrs | ±9.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,350 | ±104 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).