Arizona state legislative election results, 2024
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The sections below contain analysis of election results in the state legislative elections for Arizona in 2024.
General election results
Senate
- See also: Arizona State Senate elections, 2024
House
Retiring incumbents
Senate
Five incumbents did not file for re-election in 2024.[1] The average number of retirements each election cycle from 2010 to 2022 was 10. Those incumbents were:
House
Fifteen incumbents did not file for re-election in 2024.[2] The average number of retirements each election cycle from 2010 to 2022 was 19.9. Those incumbents were:
Primary election competitiveness
This section contains data on state legislative primary election competitiveness in Arizona. These totals include data from all regularly-scheduled House and Senate elections. For more information about Ballotpedia's competitiveness analysis of state legislative elections, please click here.
Post-filing deadline analysis
The following analysis covers all state legislative districts up for election in Arizona in 2024. Information below was calculated on May 31, 2024, and may differ from information shown in the table above due to candidate replacements and withdrawals after that time.
Arizona had 29 contested state legislative primaries in 2024, down 24% from 2022.
Of these, there were 12 for Democrats and 17 for Republicans. For Democrats, this was down from 15 in 2022, a 20% decrease. Contested Republican primaries were down 26% from 23 in 2022.
Twenty-nine incumbents—14 Democrats and 15 Republicans—faced primary challenges, representing 41% of all incumbents who ran for re-election. This was the most since Ballotpedia began tracking these figures in 2010. The previous high was 28 incumbents in 2014.
Two Arizona state senators and four Arizona state representatives were term-limited in 2024.
In total, 187 major party candidates filed to run. Eighty-seven were Democrats and 100 were Republicans. All 60 House seats and all 30 Senate seats were up for election.
Twenty seats were open, meaning no incumbents filed. This meant newcomers would make up at least 22% of the legislature the next year, the second smallest percentage since 2010. The smallest occurred in 2020, when 19% of seats were guaranteed to newcomers.
Senate
The table below shows the number and percentage of open seats in the Arizona State Senate from 2010 to 2024.[3]
| Open Seats in Arizona State Senate elections: 2010 - 2024 | |||
|---|---|---|---|
| Year | Total seats | Open seats | Seats with incumbents running for re-election |
| 2024 | 30 | 5 (17%) | 25 (83%) |
| 2022 | 30 | 14 (47%) | 16 (53%) |
| 2020 | 30 | 5 (17%) | 25 (83%) |
| 2018 | 30 | 14 (47%) | 16 (53%) |
| 2016 | 30 | 8 (27%) | 22 (73%) |
| 2014 | 30 | 8 (27%) | 22 (73%) |
| 2012 | 30 | 8 (27%) | 22 (73%) |
| 2010 | 30 | 5 (17%) | 25 (83%) |
House
The table below shows the number and percentage of open seats in the Arizona House of Representatives from 2010 to 2024.[4]
| Open Seats in Arizona House of Representatives elections: 2010 - 2024 | |||
|---|---|---|---|
| Year | Total seats | Open seats | Seats with incumbents running for re-election |
| 2024 | 60 | 15 (25 percent) | 45 (75 percent) |
| 2022 | 60 | 29 (48 percent) | 31 (52 percent) |
| 2020 | 60 | 12 (20 percent) | 48 (80 percent) |
| 2018 | 60 | 19 (32 percent) | 41 (68 percent) |
| 2016 | 60 | 18 (30 percent) | 42 (70 percent) |
| 2014 | 60 | 18 (30 percent) | 42 (70 percent) |
| 2012 | 60 | 23 (38 percent) | 37 (62 percent) |
| 2010 | 60 | 24 (40 percent) | 36 (60 percent) |
See also
- Elections
- Elections calendar
- Elections by state and year
- State Poll Opening and Closing Times
- State legislative elections, 2024
Footnotes
- ↑ Ballotpedia defines an incumbent as retiring if the incumbent did not file for office or filed for office but withdrew, was disqualified, or otherwise left a race in a manner other than losing the primary, primary runoff, or convention. If an incumbent runs as a write-in candidate, Ballotpedia does not consider them to be retiring. If an incumbent runs in the same chamber for a different seat, Ballotpedia does not consider them to be retiring.
- ↑ Ballotpedia defines an incumbent as retiring if the incumbent did not file for office or filed for office but withdrew, was disqualified, or otherwise left a race in a manner other than losing the primary, primary runoff, or convention. If an incumbent runs as a write-in candidate, Ballotpedia does not consider them to be retiring. If an incumbent runs in the same chamber for a different seat, Ballotpedia does not consider them to be retiring.
- ↑ Ballotpedia defines a seat as open if the incumbent did not file to run for re-election or filed but withdrew and did not appear on any ballot for his or her seat. If the incumbent withdrew from or did not participate in the primary but later chose to seek re-election to his or her seat as a third party or independent candidate, the seat would not be counted as open. If the incumbent retired or ran for a different seat in the same chamber, his or her original seat would be counted as open unless another incumbent from the same chamber filed to run for that seat, in which case it would not be counted as open due to the presence of an incumbent.
- ↑ Ballotpedia defines a seat as open if the incumbent did not file to run for re-election or filed but withdrew and did not appear on any ballot for his or her seat. If the incumbent withdrew from or did not participate in the primary but later chose to seek re-election to his or her seat as a third party or independent candidate, the seat would not be counted as open. If the incumbent retired or ran for a different seat in the same chamber, his or her original seat would be counted as open unless another incumbent from the same chamber filed to run for that seat, in which case it would not be counted as open due to the presence of an incumbent.
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