The 1984 United States presidential election in Massachusetts took place on November 6, 1984, as part of the 1984 United States presidential election, which was held throughout all 50 states and D.C. Voters chose 13 representatives, or electors to the Electoral College, who voted for president and vice president. On election day, Reagan won 51.22% of the vote in the state to Mondale's 48.43%, a margin of 2.79%.