Twenty-eight of Arizona’s 51 state lawmakers running for re-election this year — nine Democrats and 17 Republicans — face contested primaries. That equates to 55% of incumbents seeking re-election, the highest rate since 2014. The remaining 45% of incumbents do not face major challengers.
Twenty-eight incumbents is, on its own, the most incumbents in contested primaries since 2014. But it’s also similar to recent rounds. The incumbent rate in contested primaries is higher this year than in 2018 and 2020 as fewer incumbents are standing for re-election.
Thirty-nine incumbents did not stand for re-election, nine due to term limits. This is the most incumbents in Arizona since 2014.
In addition to the 39 retirements, four more seats are open this year because incumbents run in different districts following a redistricting. When district lines are redrawn, incumbents could find themselves living in new districts. This may cause incumbents to challenge other incumbents in primary or general elections.
This year, there are three primaries with several holders. In each of these races, at least one holder is guaranteed to lose:
Also, the senses. Christine Marsh (D) and Nancy Barto (R) were drawn into a disputed general election in Senate District 4.
The deadline for submitting candidates for the state legislature in Arizona this year was April 4. Candidates filed for all 60 House seats and 30 Senate seats.
A total of 203 candidates from the major parties ran this year: 91 Democrats and 112 Republicans. This equates to 2.3 candidates per seat, compared to 2.0 in 2020.
Arizona has been a Republican trifecta since 2008. Republicans currently hold a 16-14 majority in the Senate and a 31-29 majority in the House.
Arizona’s state legislative primaries are scheduled for August 2, the tenth date for the state’s legislative primaries in the 2022 election cycle.