The Town of Winthrop is a city in
Suffolk County,
Massachusetts,
United States. The population was 17,497 at the
2010 census. Winthrop is an ocean-side suburban community in
Greater Boston situated at the north entrance to
Boston Harbor, close to
Logan International Airport. It is located on a
peninsula, 1.6 square miles (4.2 km
2) in area, connected to
Revere by a narrow
isthmus and to
East Boston by a bridge over the harbor
inlet to the
Belle Isle Marsh Reservation. Settled in 1630, Winthrop is one of the oldest communities in the United States. It is also one of the smallest and most densely populated municipalities in Massachusetts. It is one of the four cities in Suffolk County (the others are
Boston,
Revere, and
Chelsea). It is the southernmost part of the
North Shore, with a
shoreline that provides views of the Atlantic Ocean to the east and of the Boston skyline to the west.