2004 United States Senate Elections (The New Millennium)

The 2004 United States Senate Elections were held on November 2, 2004 and coincided with Al Gore's landslide re-election as President of the United States.

Democrats won a total of 5 seats from Republicans, winning seats in Alaska, Colorado, Illinois, Kentucky, and Oklahoma, heavily benefitting from the coattails of Gore's massive victory. Republicans won 2 seats from the Democrats, winning seats in Louisiana and South Carolina. As a result of the elections, Democrats expanded their majority in the Senate by 3 seats.