1980 United States presidential election in Montana

The 1980 United States presidential election in Montana took place on November 4, 1980, and was part of the 1980 United States presidential election. Voters chose four representatives, or electors to the Electoral College, who voted for president and vice president.

Montana overwhelmingly voted for the Republican nominee, Governor Ronald Reagan, over the Democratic nominee, President Jimmy Carter. Reagan won Montana by a landslide margin of 24.39%. , this is the last election in which Big Horn County voted for a Republican presidential candidate.

Counties that flipped from Democratic to Republican

 * Big Horn
 * Blaine
 * Hill
 * Lincoln
 * McCone
 * Mineral
 * Roosevelt
 * Sheridan
 * Wibaux