Mars borough, Pennsylvania
Official LSAD Designation: Mars borough • Census GEOID: 4247672
• Butler County
Demographics & Population Profile
Population and demographics for Mars borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,391 | — | 2025 | Census |
| Median Age | 54.8 yrs | ±11.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 573 | ±91 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).