Malcom, IA -- U.S. city in Iowa Population (2000): 352 Housing Units (2000): 154 Land area (2000): 0.611585 sq. miles (1.583998 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.611585 sq. miles (1.583998 sq. km) FIPS code: 48540 Located within: Iowa (IA), FIPS 19 Location: 41.707486 N, 92.555373 W ZIP Codes (1990): 50157 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Malcom, IA Malcom