The 2000 United States Senate elections were held on November 7, 2000. The elections coincided with other federal and state elections, including the presidential election which was won by Republican George W. Bush. It featured a number of fiercely contested elections that resulted in a victory for the Democratic Party, which gained a net total of four seats from the Republican Party. This election marked the first election year since 1990 where Democrats made net gains in the Senate.