Big Run, PA -- U.S. borough in Pennsylvania Population (2000): 686 Housing Units (2000): 307 Land area (2000): 0.710235 sq. miles (1.839501 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.710235 sq. miles (1.839501 sq. km) FIPS code: 06344 Located within: Pennsylvania (PA), FIPS 42 Location: 40.969945 N, 78.877848 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Big Run, PA Big Run