Marietta borough, Pennsylvania
Official LSAD Designation: Marietta borough • Census GEOID: 4247424
• Lancaster County
Demographics & Population Profile
Population and demographics for Marietta borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,931 | — | 2025 | Census |
| Median Age | 45.5 yrs | ±3.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,406 | ±89 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).