2018 Arizona elections
A general election was held in the U.S. state of Arizona on November 6, 2018. All of Arizona's executive offices were up for election as well as a United States Senate seat and all of Arizona's nine seats in the United States House of Representatives. The Democratic Party picked up three statewide offices, as well as a seat in the U.S. House.
U.S. Senate
Incumbent Republican Jeff Flake was eligible to run for re-election to a second term. As a strong critic of President Donald Trump and remaining unpopular in the state, Flake announced in October 2017 that he will not seek re election.President Trump and Republicans backed Martha McSally to succeed Flake. Kelli Ward, former State Senator and candidate for the U.S. Senate in 2016 also ran for the Republican nomination for the open seat.
Results
On the evening of Monday, November 12, 2018 McSally posted on her Twitter that she had spoke with Sinema and conceded. Sinema celebrated with supporters later that evening.U.S. House of Representatives
Seven of nine incumbents in the United States House of Representatives ran for re-election in 2018, and all won. The primary elections took place on August 28, 2018. The general elections took place on November 6, 2018, and the open 2nd district flipped from Republican to Democratic.| CD | Dem. | Rep. | Grn. |
| 1 | Tom O'Halleran | Wendy Rogers | |
| 2 | Ann Kirkpatrick | Lea Marquez-Peterson | |
| 3 | Raúl Grijalva | Nicolas Pierson | |
| 4 | David Brill | Paul Gosar | Haryaksha Gregor Knauer |
| 5 | Joan Greene | Andy Biggs | |
| 6 | Anita Malik | David Schweikert | |
| 7 | Ruben Gallego | Gary Swing | |
| 8 | Hiral Tipirneni | Debbie Lesko | |
| 9 | Greg Stanton | Steve Ferrara |
Winners are in Bold
Governor
Incumbent Republican Governor Doug Ducey won re-election to a second term.Results
Secretary of State
Incumbent Republican Secretary of State Michele Reagan lost the nomination for a second term to Steve Gaynor, who lost the general election to Democratic state senator Katie Hobbs.Democratic primary
Candidates
- Katie Hobbs, State Senate minority leader.
Withdrew
- Mark Robert Gordon, attorney
Primary results
Republican primary
Candidates
- Michele Reagan, incumbent
- Steve Gaynor, businessman
Primary results
Libertarian primary
Candidates
- Jenn Gray
General election
Polling
Results
Attorney General
Incumbent Republican Attorney General Mark Brnovich won re-election to a second term.Republican primary
- Mark Brnovich, incumbent, former director of the Arizona Department of Gaming, former Assistant US Attorney, and Assistant Attorney General.
Primary results
Endorsements
Democratic primary
Candidates
- January Contreras, former director of Arizona Department of Health Services and a senior advisor to Homeland Security Secretary Janet Napolitano.
Primary results
Libertarian primary
- Michael Kielsky,
Endorsements
General election
Polling
Results
State Treasurer
Incumbent Republican State Treasurer Jeff DeWit announced on April 6, 2016 that he would not run for re-election to a second term as State Treasurer. DeWit resigned in April 2018 to become CFO of NASA and his replacement, Eileen Klein, announced that she would not be running for re-election.Republican primary
- Kimberly Yee, state senator
- Jo Ann Sabbagh, accountant
Endorsements
Primary results
Democratic Primary
;Candidates- Mark Manoil, attorney and former chairman of the Maricopa County Democratic Party.
Primary results
General election
Polling
Results
Superintendent of Public Instruction
Incumbent Republican Superintendent of Public Instruction Diane Douglas ran for re-election to a second term and lost to Frank Riggs in a close five-way primary. Riggs lost to Democratic teacher Kathy Hoffman in the general electionRepublican primary
Candidates
- Tracy Livingston, teacher & Maricopa County Community College District board member
- Frank Riggs, former California congressman, candidate for US Senate for California in 1998, candidate for Arizona Governor in 2006 and 2014.
- Robert Branch, Grand Canyon University professor
- Jonathan Gelbart, charter school director.
- Diane Douglas, incumbent
Endorsements
Primary results
Democratic primary
- David Schapira, former state senator.
- Kathy Hoffman, Glendale teacher.
Primary results
General election
Polling
Results
Mine Inspector
Incumbent Republican Mine Inspector Joe Hart won re-election to a fourth term.Republican Primary
;Candidates- Joe Hart, incumbent
Primary results
Democratic Primary
;Candidates- William Pierce, engineer.
Primary results
Libertarian Primary
;Candidates- Kim Ruff
General election
Results
Corporation Commission
"Corporation Commissioners must only satisfy the standard requirements for all Arizona state officers, who must be at least 18 years old, a citizen of the United States and able to speak English." Two of the seats on the Arizona Corporation Commission are up for election, elected by plurality block voting.Republican Primary
;Candidates- Tom Forese, incumbent.
- Rodney Glassman, former Tucson City Councilman, Democratic nominee for U.S. Senate in 2010
- James "Jim" O'Connor, former Legislative District Republican Chairman
- Justin Olson, incumbent. Former state representative, appointed to replace Doug Little.
- Eric Sloan
Endorsements
Primary results
Democratic Primary
;Candidates- William Mundell, former commissioner
- Kiana Sears, Mesa Public Schools Governing Board Member.
- Sandra Kennedy, former commissioner
Primary results
General election
Results
Arizona State Legislature
All 30 members of the Arizona State Senate and all 60 members of the Arizona House of Representatives were up for election.State ballot measures
- ' : Related to Public Retirement Systems
- ' : "The Protect Arizona Taxpayers Act"
- ' : "Clean Energy for a Healthy Arizona Amendment"
- ' : "Save Our Schools Arizona"
- : Related to the Citizens Clean Elections Act