2004 Democratic presidential primaries were the selection process by which voters of the Democratic Party chose its nominee for President of the United States in the 2004 U.S. presidential election . Senator John Kerry of Massachusetts was selected as the nominee through a series of primary elections and caucuses culminating in the 2004 Democratic National Convention held from July 26 to July 29 , 2004 , in Boston , Massachusetts . Kerry went on to lose the general election on November 2 , 2004 , to incumbent Republican President George W. Bush
2004 Democratic National Convention
2004 Democratic National Convention
2004 Democratic Party presidential primaries