Irondale is a village in Jefferson County, Ohio, United States. The population was 418 at the 2000 census. It is part of the Weirton–Steubenville, WV-OH Metropolitan Statistical Area.
Irondale is located at 40°34′14″N 80°43′37″W / 40.57056°N 80.72694°W / 40.57056; -80.72694 (40.570621, -80.726993).
According to the United States Census Bureau, the village has a total area of 1.4 square miles (3.7 km²), of which, 1.4 square miles (3.6 km²) of it is land and 0.04 square miles (0.1 km²) of it (1.41%) is water.