The following table indicates the party of elected officials in Massachusetts:
The table also indicates the historical party composition in the:
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 Y won the election or N 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.
The parties are as follows: American (A) (More commonly known as the Know Nothing Party), Anti-Administration (AA), American Labor (AL) Conservative (C), Constitutional Union (CU), Democratic (D), Democratic-Republican (DR), Federalist (F), Independence (I), Jacksonian Democratic (JD), no party (N), National Republican (NR), National Union (NU), People's Party (P), Pro-Administration (PA), Republican (R), Whig (W), Working Families (WF), and a tie or coalition within a group of elected officials.