The 1984 United States presidential election in Pennsylvania took place on November 6, 1984, and was part of the 1984 United States presidential election. Voters chose 25 representatives, or electors to the Electoral College, who voted for president and vice president. Pennsylvania voted for the Republican nominee, President Ronald Reagan, over the Democratic nominee, former Vice President Walter Mondale. Reagan won Pennsylvania by a margin of 7.35%, making Pennsylvania 5.5% more Democratic than the nation-at-large.