The following table indicates the party of elected officials in Massachusetts: Governor Lieutenant Governor Secretary of the Commonwealth Attorney General Treasurer and Receiver-General Auditor
The table also indicates the historical party composition in the: Massachusetts Senate Massachusetts House of Representatives State delegation to the United States Senate State delegation to the United States House of Representatives
For years in which a United States presidential election was held, the table indicates which party's nominees received the state's electoral votes, and whether they won the election or lost the election.
Each time an official is elected or re-elected, a new box for that official is included to indicate their repeated political party strength.