The Penobscot Indian Nation is an indigenous Native American tribe of Eastern Maine, occupying some 200+ islands in the Penobscot River. The community's main reservation is located at Indian Island, part of the Greater Bangor Metropolitan Statistical Area (about dead center of the state).
The membership totaled 2,367 persons in January of 2010, an increase of 383 (19.3%) since 1990. Some 405 members (17.1%) are younger than 16 and another 205 (8.7%) are sixty-five or older. Currently, 450 tribal members live on the reservation, along with some 1,399 tribal members living in Maine.