Greencastle borough, Pennsylvania
Official LSAD Designation: Greencastle borough • Census GEOID: 4230896
• Franklin County
Demographics & Population Profile
Population and demographics for Greencastle borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,222 | — | 2025 | Census |
| Median Age | 43.6 yrs | ±4.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,760 | ±161 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).