Mountain iron is located in St. louis county Minnesota with a geographic area of 68.1 square miles. The total population in Mountain iron is 2,854 with 49.6% male and 50.4% female. Children under age 5 represent 4.8% of the population, under age 18 equal 17.4% of the population and over age 65 is 21.5% of the population. The median household income is $65,506, per capita income is $32,186. There are a total of 1,341 housing units with 68.4% owner occupied. Education includes 23.9% of residents that are high school graduates and 28.4% with a bachelor's degree or higher. The average temperature in Mountain iron in the summer is 63 degrees, and in the winter 9 degrees.