Sac City, IA -- U.S. city in Iowa Population (2000): 2368 Housing Units (2000): 1209 Land area (2000): 4.902405 sq. miles (12.697170 sq. km) Water area (2000): 0.006935 sq. miles (0.017962 sq. km) Total area (2000): 4.909340 sq. miles (12.715132 sq. km) FIPS code: 69645 Located within: Iowa (IA), FIPS 19 Location: 42.421154 N, 94.995083 W ZIP Codes (1990): 50583 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sac City, IA Sac City