Columbiana is a city in Columbiana and Mahoning counties in the U.S. state of Ohio. The population was 6,384 at the 2010 census. The larger portion of the city, located in Columbiana County, is part of the Salem, OH Micropolitan Statistical Area, while the smaller Mahoning County portion is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.
The childhood home of notable inventor and businessman Harvey S. Firestone, Columbiana is considered to be one of the most livable cities in the Mahoning Valley. The city boasts one of the highest ranked school systems in Ohio, as well as many retail options, including a commercialized downtown area, a series of businesses located along Ohio Route 14, as well as Firestone Farms, a 1930s-themed outdoor business district. Additionally, the city hosts the annual Shaker Woods Arts & Crafts Festival, which brings national attention to the city in the summer and fall seasons.