Dike, IA -- U.S. city in Iowa Population (2000): 944 Housing Units (2000): 393 Land area (2000): 1.304685 sq. miles (3.379118 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.304685 sq. miles (3.379118 sq. km) FIPS code: 21405 Located within: Iowa (IA), FIPS 19 Location: 42.464706 N, 92.627688 W ZIP Codes (1990): 50624 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dike, IA Dike