Mount Joy borough, Pennsylvania
Official LSAD Designation: Mount Joy borough • Census GEOID: 4251656
• Lancaster County
Demographics & Population Profile
Population and demographics for Mount Joy borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 8,319 | — | 2025 | Census |
| Median Age | 39.5 yrs | ±2.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,532 | ±242 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).