Lordstown is a village in southern Trumbull County, Ohio, United States. The population was 3,332 at the 2020 census. It is part of the Youngstown–Warren metropolitan area. Lordstown is best known as the home of the Lordstown Assembly, a General Motors automotive plant that produced compact cars from 1966 until 2019. After the closure of Youngstown's steel factories, the Lordstown Assembly became the largest industrial employer of the Mahoning Valley region.