Shellsburg, IA -- U.S. city in Iowa Population (2000): 938 Housing Units (2000): 370 Land area (2000): 0.719964 sq. miles (1.864698 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.719964 sq. miles (1.864698 sq. km) FIPS code: 72480 Located within: Iowa (IA), FIPS 19 Location: 42.093058 N, 91.870272 W ZIP Codes (1990): 52332 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Shellsburg, IA Shellsburg