Ironton, WI -- U.S. village in Wisconsin Population (2000): 250 Housing Units (2000): 99 Land area (2000): 0.336219 sq. miles (0.870802 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.336219 sq. miles (0.870802 sq. km) FIPS code: 37225 Located within: Wisconsin (WI), FIPS 55 Location: 43.544725 N, 90.140442 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ironton, WI Ironton