Iron Mountain Real EstateIron Mountain real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a Iron Mountain real estate agent to arrange a tour today! Iron Mountain, Missouri has a population of 827. The median household income in Iron Mountain, Missouri is $37,546. The median household income for the surrounding county is $44,717 compared to the national median of $69,021. The median age of people living in Iron Mountain is 38.8 years. Iron Mountain WeatherThe average high temperature in July is 87.2 degrees, with an average low temperature in January of 21.4 degrees. The average rainfall is approximately 46.3 inches per year, with 12.2 inches of snow per year. Nearby Homes for Sale |