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> Pennsylvania > West Mifflin Borough
| City : | West Mifflin Borough |
| County : | Allegheny County |
| State : | Pennsylvania (PA) |
| Land Area : | 14.21 sq mi |
| Water Area : | 0.29 sq mi |
| Latitude : | 40.3576629 |
| Longitude : | -79.9054006 |
| Population (2010): | 20,313 |
| Population Estimate (2012) : | 20,335 |
| Population Density : | 1,429.13/sq mi |
| Housing Units (2012) : | 9,462 |
| Median Household Income (2012) : | $46,217 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $56,387 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $86,600 (Pennsylvania : $164,900, USA : $181,400) |