Geneva, IA -- U.S. city in Iowa Population (2000): 171 Housing Units (2000): 77 Land area (2000): 0.427125 sq. miles (1.106248 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.427125 sq. miles (1.106248 sq. km) FIPS code: 30135 Located within: Iowa (IA), FIPS 19 Location: 42.675905 N, 93.131396 W ZIP Codes (1990): 50633 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Geneva, IA Geneva