The Massachusetts Senate is the upper house of the Massachusetts General Court, the bicameral state legislature of the Commonwealth of Massachusetts. The Senate comprises 40 elected members from 40 single-member senatorial districts in the state. All but one of the districts are named for the counties in which they are located (the "Cape and Islands" district covers Dukes, Nantucket, and parts of Barnstable counties). Senators serve two-year terms, without term limits. The Senate convenes in the Massachusetts State House, in Boston. Qualifications The following are the qualifications to be elected to the Massachusetts Senate: Be 18 years of age Be a registered voter in Massachusetts Be an inhabitant of Massachusetts for five years Be a resident of the district when elected Receive a least 300 signatures on nomination papers Recent party control Democrats hold a supermajority in the Senate. Current leadership Current members and districts Current committees and members Past composition of the Senate See also 2023–2024 Massachusetts legislature List of former districts of the Massachusetts Senate Massachusetts Senate Delegations Massachusetts House of Representatives References Further reading , 2007 External links Senate Members of the General Court official government website Official Senate district definitions as of 2021 2002 2010, with names of senators 2011 State Senate of Massachusetts at Project Vote Smart