Johnstown city, Pennsylvania
Official LSAD Designation: Johnstown city • Census GEOID: 4238288
• Cambria County
Demographics & Population Profile
Population and demographics for Johnstown city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 17,654 | — | 2025 | Census |
| Median Age | 44 yrs | ±2.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 8,953 | ±303 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).