1904 United States presidential election in Colorado

The 1904 United States presidential election in Colorado took place on November 8, 1904. All contemporary 45 states were part of the 1904 United States presidential election. State voters chose five electors to the Electoral College, which selected the president and vice president.

Colorado was won by the Republican nominees, incumbent President Theodore Roosevelt of New York and his running mate Charles W. Fairbanks of Indiana. They defeated the Democratic nominees, former Chief Judge of New York Court of Appeals Alton B. Parker and his running mate, former US Senator Henry G. Davis of West Virginia. Roosevelt won the state by a margin of 14.18%.

Roosevelt's victory in Colorado was part of a national landslide. He was the only Republican candidate to win the state between 1888 and 1920.