Bath is a town in Steuben County, New York, United States, with an area of 96.3 square miles and a population of 11,426 in 2020. Its largest settlement is the Village of Bath, which has an area of 2.9 sq mi and a population of 5,641. The Village is the county seat of Steuben County. The Town is located in the central part of the county, northwest of Elmira. …Bath is a town in Steuben County, New York, United States, with an area of 96.3 square miles and a population of 11,426 in 2020. Its largest settlement is the Village of Bath, which has an area of 2.9 sq mi and a population of 5,641. The Village is the county seat of Steuben County. The Town is located in the central part of the county, northwest of Elmira. The town and village are either named after the city of Bath in England or after Lady Bath, daughter of a landowner.