Iron Gate is a town in eastern Alleghany County, Virginia, United States. The population was 324 at the 2020 census. The town is located along U.S. Route 220, near Clifton Forge. The Town of Iron Gate was incorporated in 1889. The town's founding was a direct result of the Iron Age. During the 1880s, iron mines began opening in Alleghany Count…Iron Gate is a town in eastern Alleghany County, Virginia, United States. The population was 324 at the 2020 census. The town is located along U.S. Route 220, near Clifton Forge. The Town of Iron Gate was incorporated in 1889. The town's founding was a direct result of the Iron Age. During the 1880s, iron mines began opening in Alleghany County and the Alleghany Iron and Ore Company opened its blast furnace in the northern end of Iron Gate. The proximity to the railroad made the site of Iron Gate an optimal location. Many men were employed by the company until 1919 when operations ceased.