Donahue, IA -- U.S. city in Iowa Population (2000): 293 Housing Units (2000): 105 Land area (2000): 0.336565 sq. miles (0.871699 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.336565 sq. miles (0.871699 sq. km) FIPS code: 21720 Located within: Iowa (IA), FIPS 19 Location: 41.695179 N, 90.674635 W ZIP Codes (1990): 52746 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Donahue, IA Donahue