Braintree (), officially the
Town of Braintree, is a
suburban New England city in
Norfolk County,
Massachusetts,
United States. Although officially known as a town, Braintree adopted a municipal charter, effective 2008, with a
mayor-council form of government and is considered a city under Massachusetts law. The population was 35,744 at the 2010 census. The town is part of the
Greater Boston area with access to the
MBTA Red Line and is a member of the Metropolitan Area Planning Commission's South Shore Coalition. The first and current mayor of Braintree is
Joe Sullivan. Braintree, Massachusetts is named after
Braintree,
Essex in
England.