Sheldon, IA -- U.S. city in Iowa Population (2000): 4914 Housing Units (2000): 2126 Land area (2000): 4.389111 sq. miles (11.367744 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.389111 sq. miles (11.367744 sq. km) FIPS code: 72390 Located within: Iowa (IA), FIPS 19 Location: 43.181180 N, 95.848123 W ZIP Codes (1990): 51201 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sheldon, IA Sheldon