Arizona Primary History
Presidential primary election results from 2008 to 2024
2024
GOP Primary
Donald Trump78.8%
Nikki Haley17.8%
Dem Primary
Joe Biden89.3%
Other8.0%
2020
Dem Primary
Joe Biden44.0%
Bernie Sanders33.0%
2016
GOP Primary
Uncontested
Dem Primary
Hillary Clinton56.3%
Bernie Sanders41.4%
2012
Dem Primary
Barack Obama100.0%
Uncontested
2008
Dem Primary
Hillary Clinton50.4%
Barack Obama42.4%