Columbus City, IA -- U.S. city in Iowa Population (2000): 376 Housing Units (2000): 138 Land area (2000): 0.233051 sq. miles (0.603598 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.233051 sq. miles (0.603598 sq. km) FIPS code: 15375 Located within: Iowa (IA), FIPS 19 Location: 41.258225 N, 91.375711 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Columbus City, IA Columbus City