Westhampton is a town in Hampshire County, Massachusetts, United States. The population was 1,622 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. Westhampton was first settled in 1762. Originally part of Northampton, Westhampton was officially incorporated on September 29, 1778. The first town meetin…Westhampton is a town in Hampshire County, Massachusetts, United States. The population was 1,622 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. Westhampton was first settled in 1762. Originally part of Northampton, Westhampton was officially incorporated on September 29, 1778. The first town meeting was held on November 19, 1778, at which the Reverend Enoch Hale, brother of American spy Nathan Hale, was chosen to be the town's first minister.