Iron Mountain is a city located in Michigan. With a 2020 population of 7,303, it is the 124th largest city in Michigan and the 3853rd largest city in the United States. Iron Mountain is currently declining at a rate of -0.34% annually and its population has decreased by -4.21% since the most recent census, which recorded a population of 7,624 in 2010. Iron Mountain reached it's highest population of 11,652 in 1930. Spanning over 8 miles, Iron Mountain has a population density of 968 people per square mile.
The average household income in Iron Mountain is $59,043 with a poverty rate of 13.90%. The median rental costs in recent years comes to $657 per month, and the median house value is $79,700. The median age in Iron Mountain is 42 years, 41.1 years for males, and 43.6 years for females. For every 100 females there are 100.0 males.