Mallard, IA -- U.S. city in Iowa Population (2000): 298 Housing Units (2000): 143 Land area (2000): 0.380287 sq. miles (0.984940 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.380287 sq. miles (0.984940 sq. km) FIPS code: 48585 Located within: Iowa (IA), FIPS 19 Location: 42.937269 N, 94.684169 W ZIP Codes (1990): 50562 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mallard, IA Mallard