SALEM, a city of Ohio, in Columbiana co. It is on the Pennsylvania and the Youngstown and Ohio railroads. It is the center of an important coal mining region and has manufactures of steel, engines, pumps, tools, motor boats, stoves, furniture, etc. Its notable institutions include a Carnegie library, city hospital, a home for aged women, a municipal building, and a park. Pop. (1910) 8,943; (1920) 10,305.