Donegal, PA -- U.S. borough in Pennsylvania Population (2000): 165 Housing Units (2000): 79 Land area (2000): 0.317874 sq. miles (0.823289 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.317874 sq. miles (0.823289 sq. km) FIPS code: 19472 Located within: Pennsylvania (PA), FIPS 42 Location: 40.111789 N, 79.381931 W ZIP Codes (1990): 15628 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Donegal, PA Donegal