Bidwell is a small unincorporated community in northwestern Springfield Township, Gallia County, Ohio, United States, and is often associated with the nearby community of Porter. Although unincorporated, it has its own ZIP Code of 45614. Bidwell is located eleven miles from the county seat, Gallipolis, at an elevation of 682 feet (208 m). Bidwell is part of the Point Pleasant, WV–OH Micropolitan Statistical Area.