Baldwin, PA -- U.S. borough in Pennsylvania Population (2000): 19999 Housing Units (2000): 8883 Land area (2000): 5.770868 sq. miles (14.946478 sq. km) Water area (2000): 0.152412 sq. miles (0.394745 sq. km) Total area (2000): 5.923280 sq. miles (15.341223 sq. km) FIPS code: 03928 Located within: Pennsylvania (PA), FIPS 42 Location: 40.357197 N, 79.969449 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Baldwin, PA Baldwin