Plymouth is a town in Windsor County, Vermont, United States. The population was 641 at the 2020 census. Calvin Coolidge, the 30th president of the United States, was born and raised in Plymouth and is buried there in the Plymouth Notch cemetery. The State of Vermont Division for Historic Preservation owns and maintains the Coolidge Homestead and the village of Plymouth Notch.

Windsor County is a county located in the U.S. state of Vermont. As of the 2020 census, the population was 57,753. The shire town is the town of Woodstock. The county's largest municipality is the town of Hartford.