Sunbury city, Pennsylvania
Official LSAD Designation: Sunbury city • Census GEOID: 4275304
• Northumberland County
Demographics & Population Profile
Population and demographics for Sunbury city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,495 | — | 2025 | Census |
| Median Age | 45.1 yrs | ±5.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,357 | ±279 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).