Iron Mountain is an unincorporated community in southwestern

St. Francois County St. Francois County () is a county located in the Lead Belt region in the U.S. state of Missouri. As of the 2020 census, the population was 66,922. The largest city and county seat is Farmington. The county was officially organized on Decem ...

, Missouri, United States. It is located approximately six miles south of Bismarck. The community was founded in 1836 as a mining site and it was named for nearby Iron Mountain, once thought to be made completely of

iron ore Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the fo ...

. A post office called Iron Mountain was established in 1846, and remained in operation until 1978. The railroad history of the area runs deep, as the railways were key to the distribution of the minerals being mined. The Iron Mountain and Southern Railway was prominent during the development of the Iron Mountain community in the 19th century.

References

Unincorporated communities in St. Francois County, Missouri Unincorporated communities in Missouri {{StFrancoisCountyMO-geo-stub ar:آيرن ماونتين، ميزوري