Riverton, IA -- U.S. city in Iowa Population (2000): 304 Housing Units (2000): 144 Land area (2000): 0.598311 sq. miles (1.549619 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.598311 sq. miles (1.549619 sq. km) FIPS code: 67575 Located within: Iowa (IA), FIPS 19 Location: 40.686202 N, 95.567905 W ZIP Codes (1990): 51650 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Riverton, IA Riverton