Berkley, IA -- U.S. city in Iowa Population (2000): 24 Housing Units (2000): 11 Land area (2000): 0.209427 sq. miles (0.542414 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.209427 sq. miles (0.542414 sq. km) FIPS code: 06040 Located within: Iowa (IA), FIPS 19 Location: 41.946123 N, 94.113820 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Berkley, IA Berkley