Hubbard is a city in southeastern Trumbull County, Ohio, United States. It is formed from part of Hubbard Township, which was formed from the Connecticut Western Reserve. The population was 7,636 at the 2020 census. It is a suburb of the Youngstown–Warren metropolitan area.

Trumbull County is a county in the far northeast portion of the U.S. state of Ohio. As of the 2020 census, the population was 201,977. Its county seat and largest city is Warren, which developed industry along the Mahoning River. Trumbull County is part of the Youngstown–Warren, OH Metropolitan Statistical Area.