. "-4" . "-5" . . "Popponesset, Massachusetts"@en . "Popponesset is a census-designated place (CDP) in the town of Mashpee in Barnstable County, Massachusetts, United States. The population was 220 at the 2010 census."@en . . . . . "3.9624"^^ . "790000.0"^^ . "277.9"^^ . . . "820000.0"^^ . . "30000.0"^^ . "220"^^ .