Long Island, Maine

Long Island, Maine
Location in Cumberland County and the state of Maine.
Coordinates: 43°41′34″N 70°9′17″W / 43.69278°N 70.15472°W / 43.69278; -70.15472
CountryUnited States
StateMaine
CountyCumberland
IncorporationJuly 1, 1993
VillagesLong Island
Mariner
Area
  Total
33.52 sq mi (86.82 km2)
  Land1.42 sq mi (3.68 km2)
  Water32.10 sq mi (83.14 km2)
Elevation
14 ft (4 m)
Population
 (2020)
  Total
234
  Density165/sq mi (63.6/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP Code
04050
Area code207
FIPS code23-41067
GNIS feature ID1729676
Websitewww.townoflongisland.us

Long Island is a Casco Bay island and town in Cumberland County, Maine, United States, which seceded from the city of Portland in 1993. The population was 234 at the 2020 census. It is part of the Portland-South Portland-Biddeford metropolitan area.