Clark borough, Pennsylvania
Official LSAD Designation: Clark borough • Census GEOID: 4213832
• Mercer County
Demographics & Population Profile
Population and demographics for Clark borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 558 | — | 2025 | Census |
| Median Age | 45.6 yrs | ±7.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 242 | ±50 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).