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> Pennsylvania > Willow Street
| City : | Willow Street |
| County : | Lancaster County |
| State : | Pennsylvania (PA) |
| Land Area : | 5.43 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 39.9811578 |
| Longitude : | -76.2691878 |
| Population (2010): | 7,578 |
| Population Estimate (2012) : | 7,210 |
| Population Density : | 1,394.49/sq mi |
| Housing Units (2012) : | 3,834 |
| Median Household Income (2012) : | $62,426 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $80,523 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $207,300 (Pennsylvania : $164,900, USA : $181,400) |