Beaver, IA -- U.S. city in Iowa Population (2000): 53 Housing Units (2000): 26 Land area (2000): 0.256087 sq. miles (0.663263 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.256087 sq. miles (0.663263 sq. km) FIPS code: 05185 Located within: Iowa (IA), FIPS 19 Location: 42.037808 N, 94.141096 W ZIP Codes (1990): 50031 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Beaver, IA Beaver