Brunswick is a town in Cumberland County in southeastern Maine, United States. The population was 20,278 at the 2010 census. Part of the Portland-South Portland-Biddeford metropolitan area, Brunswick is home to Bowdoin College, the Bowdoin College Museum of Art, the Peary-MacMillan Arctic Museum, The Theater Project, and the Maine State Music Theatre. It is also home to Mid Coast Hospital, one of Maine's newest full-service hospitals; and Parkview Adventist Medical Center.