Gilbertville, IA -- U.S. city in Iowa Population (2000): 767 Housing Units (2000): 305 Land area (2000): 0.391774 sq. miles (1.014690 sq. km) Water area (2000): 0.004342 sq. miles (0.011245 sq. km) Total area (2000): 0.396116 sq. miles (1.025935 sq. km) FIPS code: 30675 Located within: Iowa (IA), FIPS 19 Location: 42.417252 N, 92.213964 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gilbertville, IA Gilbertville