Masontown, PA -- U.S. borough in Pennsylvania Population (2000): 3611 Housing Units (2000): 1701 Land area (2000): 1.519414 sq. miles (3.935265 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.519414 sq. miles (3.935265 sq. km) FIPS code: 48000 Located within: Pennsylvania (PA), FIPS 42 Location: 39.846228 N, 79.903492 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Masontown, PA Masontown