Calumet, IA -- U.S. city in Iowa Population (2000): 181 Housing Units (2000): 83 Land area (2000): 0.264410 sq. miles (0.684820 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.264410 sq. miles (0.684820 sq. km) FIPS code: 10090 Located within: Iowa (IA), FIPS 19 Location: 42.945988 N, 95.552078 W ZIP Codes (1990): 51009 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Calumet, IA Calumet