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> Pennsylvania > Zip Code 19018
| Zip Code : | 19018 |
| City : | Aldan borough, Clifton Heights borough |
| County : | Delaware County |
| State : | Pennsylvania (PA) |
| Land Area : | 2.70 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.9230746 |
| Longitude : | -75.2985951 |
| Population (2010): | 23,360 |
| Population Estimate (2012) : | 23,407 |
| Population Density : | 8,637.00/sq mi |
| Housing Units (2012) : | 10,291 |
| Median Household Income (2012) : | $57,085 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $67,347 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $169,600 (Pennsylvania : $164,900, USA : $181,400) |