2004 United States presidential election in Missouri

2004 United States presidential election in Missouri
Bush 40-50% 50-60% 60-70% 70-80%	Kerry 50-60% 80-90%
President before election; George W. Bush; Republican	Elected President ; George W. Bush; Republican

The 2004 United States presidential election in Missouri took place on November 2, 2004, and was part of the 2004 United States presidential election. Voters chose 11 representatives, or electors to the Electoral College, who voted for president and vice president.

Missouri was won by incumbent President George W. Bush by a 7.20% margin of victory. Prior to the election, 10 of 12 news organizations considered this a state Bush would win, or otherwise considered as a red state. He also won a wide majority of the counties and congressional districts in the state.

At the time, Missouri was known for its status as a bellwether state, having voted for the winner of every presidential election since 1904, apart from 1956. Although the state's streak of voting for the winner of the presidency continued, Bush carried this state with a larger margin of victory than his nationwide results, indicating that the state had become more conservative than the rest of the country and that it was trending Republican. These factors eventually led the state to lose its bellwether status in the next election, albeit by a narrow margin.

As of 2020, this is the last time Missouri voted to the left of Virginia or North Carolina, and the last time it voted significantly to the left of Indiana, as in future elections, the results of both states would align closely.