The 1904 United States presidential election in Missouri took place on November 8, 1904. Voters chose 18 representatives, or electors to the Electoral College, who voted for president and vice president.

The 2008 United States presidential election in Missouri was held on November 4, 2008, and was part of the 2008 United States presidential election, which took place throughout all 50 states and D.C. Voters chose 11 representatives, or electors to the Electoral College, who voted for president and vice president.