Lake City, IA -- U.S. city in Iowa Population (2000): 1787 Housing Units (2000): 874 Land area (2000): 4.821216 sq. miles (12.486891 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.821216 sq. miles (12.486891 sq. km) FIPS code: 42465 Located within: Iowa (IA), FIPS 19 Location: 42.268646 N, 94.735699 W ZIP Codes (1990): 51449 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lake City, IA Lake City