The 2008 Arizona Democratic presidential primary took place on Super Tuesday, February 5, 2008, and had a total of 56 delegates at stake. The winner in each of Arizona's eight congressional districts was awarded all of that district's delegates, which totaled 37. Another 19 delegates were awarded to the statewide winner, Hillary Clinton. The 56 delegates represented Arizona at the Democratic National Convention in Denver, Colorado. Eleven other unpledged delegates, known as superdelegates, also attended the convention.