Grafton is a town located in Worcester County, Massachusetts, in the United States. Incorporated in 1735, the town has a population that was recorded at 19,664 during the 2020 census.
The municipality is divided into three distinct geographic areas: North Grafton, Grafton, and South Grafton, each of which maintains its own ZIP Code. Notable landmarks and institutions within the town include the Willard House and Clock Museum, the Community Harvest Project, and the Tufts University Cummings School of Veterinary Medicine.
Additionally, the town is home to the Hassanamisco Reservation, which serves as a Nipmuc village.