2016 United States presidential election in Arizona|
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| Turnout | 74.2% |
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Congressional district results
State legislative district results
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Trump
40–50%
50–60%
60–70%
70–80%
80–90%
90–100% |
Clinton
40–50%
50–60%
60–70%
70–80%
80–90%
90–100% |
No Data
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The 2016 United States presidential election in Arizona was held on Tuesday, November 8, 2016, as part of the 2016 United States presidential election in which all 50 states plus the District of Columbia participated. Arizona voters chose electors to represent them in the Electoral College via a popular vote, pitting the Republican nominee, businessman Donald Trump, and running mate Indiana Governor Mike Pence against Democratic nominee, former Secretary of State Hillary Clinton, and her running mate Virginia Senator Tim Kaine. Arizona has 11 electoral votes in the Electoral College.
Despite the country at-large swinging to the right, Arizona's Republican margin of victory decreased from 9.0% in 2012 to only 3.5% in 2016, thus making it one of 11 states (along with the District of Columbia) to swing toward the Democratic Party in this election. Trump's margin of victory in Arizona was the smallest for any Republican who won the presidency since Arizona's statehood in 1912.
Notably, Maricopa County, the state's most populous county, went more Democratic than the state as a whole for the first time in state history; it has done so in every election since. The county had not voted for a Democrat since Harry S. Truman in 1948. Therefore, Trump's narrow win in the county suggested the Republican Party was losing ground in the state. The county and the state would go on to vote Democratic in 2020, although both would return to Trump's column in 2024.