Mountain Iron is a city in Saint Louis County, Minnesota, United States, in the heart of the Mesabi Range.

[3] U.S. Highway 169 serves as a main route in Mountain Iron.

Mountain Iron is part of the Quad Cities, with Virginia, Eveleth, and Gilbert.

Mountain Iron was founded in 1892 as a mining village in the former Nichols Township.

35.9% of all households were made up of individuals, and 14.4% had someone living alone who was 65 years of age or older.

27.3% were of Finnish, 11.2% German, 9.8% Italian, 8.8% Norwegian, 6.1% Swedish and 5.1% Slovene ancestry.

31.2% of all households were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older.