Marianna borough, Pennsylvania
Official LSAD Designation: Marianna borough • Census GEOID: 4247400
• Washington County
Demographics & Population Profile
Population and demographics for Marianna borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 386 | — | 2025 | Census |
| Median Age | 24.8 yrs | ±13.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 191 | ±55 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).