Rockingham is a town along the Connecticut River in Windham County, Vermont, United States. As of the 2020 census, the population was 4,832. Rockingham includes the incorporated villages of Bellows Falls and Saxtons River, as well as a large rural area west of Interstate 91.

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.