Southport is a town and island in Lincoln County, Maine, United States. The population was 622 at the 2020 census. It includes the neighborhoods of Cozy Harbor, East Side, Newagen, Pine Cliff, and West Southport, and the Capitol Island and Squirrel Island summer colonies. The majority of the town's residents live on its main island, Southport Island.
Elevation: 62 ft (19 m)
Country: United States
State: Maine
County: Lincoln
First settled: 1623
Incorporated as a town: 1842
ZIP Codes: 04576 (Southport) · 04570 (Squirrel Island)
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