Poultney is a town in Rutland County in the southwestern part of the U.S. state of Vermont. New York state is on its western border. Castleton, Vermont, is on its northern border. Poultney was home to Green Mountain College, a private liberal arts college that closed in 2019. The Village of Poultney is entirely within the town. The town population was 3,020 at the 2020 census.