Sunbury, PA -- U.S. city in Pennsylvania Population (2000): 10610 Housing Units (2000): 5072 Land area (2000): 2.123218 sq. miles (5.499110 sq. km) Water area (2000): 0.029918 sq. miles (0.077486 sq. km) Total area (2000): 2.153136 sq. miles (5.576596 sq. km) FIPS code: 75304 Located within: Pennsylvania (PA), FIPS 42 Location: 40.863894 N, 76.789174 W ZIP Codes (1990): 17801 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sunbury, PA Sunbury