| City : | Mifflinburg Borough |
| County : | Union County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 1.80 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.9195605 |
| Longitude : | -77.0474026 |
| | |
| Population (2010): | 3,540 |
| Population Estimate (2012) : | 3,539 |
| Population Density : | 1,962.27/sq mi |
| Housing Units (2012) : | 1,677 |
| Median Household Income (2012) : | $35,473 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $52,344 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $140,700 (Pennsylvania : $164,900, USA : $181,400) |