1904 United States presidential election in South Carolina

The 1904 United States presidential election in South Carolina took place on November 8, 1904 as part of the 1904 United States presidential election. Voters chose nine representatives, or electors to the Electoral College, who voted for president and vice president.

South Carolina voted for the Democratic nominee, former Chief Judge of New York Court of Appeals Alton B. Parker, over the Republican nominee, President Theodore Roosevelt. Parker won South Carolina by a landslide margin of 90.74 percentage points. Parker indeed won Hampton, Fairfield and Georgetown Counties unanimously due to the nearly complete disfranchisement of the black majority that was the Republican Party's sole support in the state.

With 95.36% of the popular vote, South Carolina would be Parker's strongest victory in terms of percentage of the popular vote.

Parker became the first presidential candidate to sweep every county in South Carolina.