Mountain Iron, MN
Mountain Iron is a city in Saint Louis County, Minnesota, United States; in the heart of the Mesabi Range. The population was 2,869 at the 2010 census.
U.S. Highway 169 serves as a main arterial route in the city.
The city's motto is the "Taconite Capital of the World". The local mine, Minntac, is owned by the United States Steel Corporation (U.S. Steel).