Salem is a city in northern Columbiana County, Ohio, United States, with a small district in southern Mahoning County. At the 2010 census, the city's population was 12,303. Salem is the principal city of the Salem, OH Micropolitan Statistical Area, although the small portion of the city that extends into Mahoning County is considered part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area. Salem is 25 miles southwest of Youngstown... Show more

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