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> Pennsylvania > Zip Code 17020
| Zip Code : | 17020 |
| City : | Duncannon borough, New Buffalo borough |
| County : | Perry County, Dauphin County |
| State : | Pennsylvania (PA) |
| Land Area : | 57.52 sq mi |
| Water Area : | 1.03 sq mi |
| Latitude : | 40.4141705 |
| Longitude : | -77.0415028 |
| Population (2010): | 9,047 |
| Population Estimate (2012) : | 9,041 |
| Population Density : | 157.29/sq mi |
| Housing Units (2012) : | 3,836 |
| Median Household Income (2012) : | $61,008 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $72,422 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $155,700 (Pennsylvania : $164,900, USA : $181,400) |