Harry S. Truman Democratic Harry S. Truman Democratic The 1948 United States presidential election in Montana took place on November 2, 1948, as part of the 1948 United States presidential election.

Voters chose four representatives, or electors to the Electoral College, who voted for president and vice president.

Montana voted for the Democratic nominee, President Harry S. Truman, over the Republican nominee, New York Governor Thomas E. Dewey.

Truman won Montana by a substantial margin of 9.94%.

As of the 2024 presidential election[update], this is the last election in which Carter County and Prairie County voted for a Democratic presidential candidate.