2004 United States presidential election in Arizona

2004 United States presidential election in Arizona
Turnout	76.3% (of registered voters) ; 49.6% (of voting age population)
Bush 50–60% 60–70%	Kerry 50–60% 60–70%
President before election; George W. Bush; Republican	Elected President ; George W. Bush; Republican

The 2004 United States presidential election in Arizona took place on November 2, 2004, and was part of the 2004 United States presidential election. Voters chose 10 representatives, or electors, to the Electoral College, who voted for president and vice president.

Arizona was won by incumbent George W. Bush by 10.5%. Prior to the election, 12 news organizations considered this a state Bush would win, or otherwise considered as a likely red state. Neither major party tickets campaigned here in the fall election. Arizona hosted the third presidential debate on October 13, 2004, in the city of Tempe.

As of the 2024 presidential election^[update], this is the last time Arizona was won by a double-digit margin of victory. This was the first election in which any candidate won more than a million votes as well as in which Maricopa County cast more than a million ballots.