Popponesset Island, Massachusetts

Popponesset Island
Location in Barnstable County and the state of Massachusetts.
Coordinates: 41°35′8″N 70°27′32″W / 41.58556°N 70.45889°W / 41.58556; -70.45889
CountryUnited States
StateMassachusetts
CountyBarnstable
TownMashpee
Area
  Total
0.38 sq mi (0.99 km2)
  Land0.07 sq mi (0.19 km2)
  Water0.31 sq mi (0.80 km2)
Elevation
0 ft (0 m)
Population
 (2020)
  Total
45
  Density625.00/sq mi (241.42/km2)
Time zoneUTC−5 (Eastern (EST))
  Summer (DST)UTC−4 (EDT)
ZIP Code
02649
FIPS code25-55090
GNIS feature ID2378206

Popponesset Island is an island and census-designated place (CDP) in the town of Mashpee in Barnstable County, Massachusetts, United States. The population was 220 at the 2010 census.