Ida -- U.S. County in Iowa Population (2000): 7837 Housing Units (2000): 3506 Land area (2000): 431.705593 sq. miles (1118.112305 sq. km) Water area (2000): 0.519944 sq. miles (1.346648 sq. km) Total area (2000): 432.225537 sq. miles (1119.458953 sq. km) Located within: Iowa (IA), FIPS 19 Location: 42.391959 N, 95.507352 W Headwords: Ida Ida, IA Ida County Ida County, IA