Mifflinburg borough, Pennsylvania
Official LSAD Designation: Mifflinburg borough • Census GEOID: 4249288
• Union County
Demographics & Population Profile
Population and demographics for Mifflinburg borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,436 | — | 2025 | Census |
| Median Age | 36.8 yrs | ±4.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,532 | ±125 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).