Ironton, MN -- U.S. city in Minnesota Population (2000): 498 Housing Units (2000): 263 Land area (2000): 1.494645 sq. miles (3.871113 sq. km) Water area (2000): 0.479258 sq. miles (1.241272 sq. km) Total area (2000): 1.973903 sq. miles (5.112385 sq. km) FIPS code: 31274 Located within: Minnesota (MN), FIPS 27 Location: 46.476677 N, 93.986131 W ZIP Codes (1990): 56455 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ironton, MN Ironton