Vernon is a town in Windham County, Vermont, in the United States. The population was 2,192 at the 2020 census. Vernon is the site of the now-defunct Vermont Yankee, the state of Vermont's only nuclear power plant, which closed in December 2014.

Windham County is a county located in the U.S. state of Vermont. As of the 2020 census, the population was 45,905. The shire town is Newfane, and the largest municipality is the town of Brattleboro.