North Berwick is a town in York County, in the Portland metro area. The community is in the Eastern Standard time zone.

The latitude of North Berwick is 43.303N. The longitude is -70.733W.

The population, at the time of the 2000 census, was 4,293.

The local median household income for North Berwick in the 2000 Census was $46,883 while the Nation average was $41,994.

Settled by fur traders in the 1630s, the community was named for Berwick, England