Freetown is a town in Bristol County, Massachusetts, United States. The population was 9,206 at the 2020 census. Freetown is one of the oldest communities in the United States, having been settled by the Pilgrims and their descendants in the latter half of the 17th century. The town once included the city of Fall River, and a portion of Acushnet. The town c…Freetown is a town in Bristol County, Massachusetts, United States. The population was 9,206 at the 2020 census. Freetown is one of the oldest communities in the United States, having been settled by the Pilgrims and their descendants in the latter half of the 17th century. The town once included the city of Fall River, and a portion of Acushnet. The town celebrated its tricentennial in 1983.