The Town of Stonington is located in New London County, Connecticut, in the state's southeastern corner. It includes the borough of Stonington, the villages of Pawcatuck, Lords Point, Wequetequock, the eastern halves of the villages of Mystic and Old Mystic (the other halves being in the town of Groton). The population of the town was 17,906 at the 2000 census.