The towns of Tiverton and Little Compton are the only two Rhode Island communities located within the Buzzards Bay watershed. The West Branch of the Westport River begins in Tiverton, and the boundary of Buzzards Bay begins at Sakonnet Point in Little Compton. Together, these two towns cover a total of 53 square miles, 41% of which is located within the Buzzards Bay area. As of the 2010 Census, Tiverton was home to 15,780 residents and Little Compton was home to 3,492 residents.