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| County : | Union County |
| State : | Pennsylvania (PA) |
| Land Area : | 315.98 sq mi |
| Water Area : | 1.79 sq mi |
| Latitude : | 40.9621790 |
| Longitude : | -77.0554751 |
| Population (2010): | 44,947 |
| Population Estimate (2012) : | 44,944 |
| Population Density : | 142.25/sq mi |
| Housing Units (2012) : | 16,997 |
| Median Household Income (2012) : | $46,737 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $55,964 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $152,000 (Pennsylvania : $164,900, USA : $181,400) |
Union County Cities / Towns
| Allenwood (321) | Hartleton Borough (283) | Laurelton (221) |
| Lewisburg Borough (5,792) | Linntown (1,489) | Mifflinburg Borough (3,540) |
| New Berlin Borough (873) | New Columbia (1,013) | Vicksburg (261) |
| West Milton (900) | Winfield (900) |
Union County Zip Codes
| 17810 (4,683) | 17829 (244) | 17835 (219) |
| 17837 (19,815) | 17844 (10,042) | 17845 (2,245) |
| 17855 (992) | 17856 (3,365) | 17870 (14,564) |
| 17880 (72) | 17885 (141) | 17886 (895) |
| 17887 (1,778) | 17889 (2,735) |