Blawnox, PA -- U.S. borough in Pennsylvania Population (2000): 1550 Housing Units (2000): 931 Land area (2000): 0.324841 sq. miles (0.841335 sq. km) Water area (2000): 0.108116 sq. miles (0.280018 sq. km) Total area (2000): 0.432957 sq. miles (1.121353 sq. km) FIPS code: 07000 Located within: Pennsylvania (PA), FIPS 42 Location: 40.492436 N, 79.861072 W ZIP Codes (1990): 15238 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Blawnox, PA Blawnox