Lowellville is a village in eastern Mahoning County, Ohio, United States, along the Mahoning River. The population was 996 at the 2020 census. Located about 8 miles (13 km) southeast of Youngstown, it is part of the Youngstown–Warren metropolitan area.

Mahoning County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 228,614. Its county seat and largest city is Youngstown. The county is named after the Mahoning River and was formed on March 1, 1846; the 83rd county in Ohio.