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2018 Arizona elections
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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 Republican Party won the majority of statewide offices, albeit by much narrower margins than in previous elections (except for the governorship, which they won easily), while the Democratic Party picked up three statewide offices.

U.S. Senate

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Main article: 2018 United States Senate election in Arizona

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 would not seek reelection.[1]

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.[2][3]

Results

[edit]

On the evening of Monday, November 12, 2018, McSally posted on her Twitter that she had spoken with Sinema and conceded. Sinema celebrated with supporters later that evening.

United States Senate election in Arizona, 2018[4]
Party Candidate Votes %
Democratic Kyrsten Sinema 1,191,100 49.96%
Republican Martha McSally 1,135,200 47.61%
Green Angela Green 57,442 2.41%
Write-in 566 0.02%
Total votes 2,384,308 100%
Democratic gain from Republican

U.S. House of Representatives

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February special election

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Main article: 2018 Arizona's 8th congressional district special election

A special election was held in Arizona's 8th congressional district following the resignation of Congressman Trent Franks. Republican nominee and former Arizona Senate president pro tem Debbie Lesko won a closer-than-expected race against Democratic challenger Hiral Tipirneni.

Arizona's 8th congressional district special election, 2018[5]
Party Candidate Votes %
Republican Debbie Lesko 96,012 52.37%
Democratic Hiral Tipirneni 87,331 47.63%
Total votes 183,343 100%
Republican hold

November general election

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Main article: 2018 United States House of Representatives elections in Arizona
Party Candidates Votes Seats
No. % No. +/– %
Democratic 9 1,179,193 50.37 5 Increase1 55.56
Republican 9 1,139,251 48.67 4 Decrease1 44.44
Green 2 22,378 0.96 0 Steady 0.0
Write-in 3 147 0.01 0 Steady 0.0
Total 23 2,341,270 100.0 9 Steady 100.0
Popular vote
Democratic
 
 50.37%
Republican
 
 48.67%
Green
 
 0.96%
Other
 
 0.01%
House seats
Democratic
 
 55.56%
Republican
 
 44.44%

Governor

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Main article: 2018 Arizona gubernatorial election

Incumbent Republican governor Doug Ducey won re-election to a second term.

Results

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Arizona gubernatorial election, 2018[4]
Party Candidate Votes %
Republican Doug Ducey (incumbent) 1,330,863 56.00%
Democratic David Garcia 994,341 41.84%
Green Angel Torres 50,962 2.15%
Write-in 275 0.01%
Total votes 2,376,441 100%
Republican hold

Secretary of state

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Main article: 2018 Arizona Secretary of State election

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.

Results

[edit]
Arizona Secretary of State election, 2018[4]
Party Candidate Votes %
Democratic Katie Hobbs 1,176,384 50.43%
Republican Steve Gaynor 1,156,132 49.56%
Write-in 169 0.01%
Total votes 2,332,685 100%
Democratic gain from Republican

Attorney general

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Main article: 2018 Arizona Attorney General election

Incumbent Republican attorney general Mark Brnovich won re-election to a second term.

Republican primary

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Candidates

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Declared
[edit]

Primary results

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Republican primary results[7]
Party Candidate Votes %
Republican Mark Brnovich (incumbent) 561,370 100.0
Total votes 561,370 100.0

Democratic primary

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Candidates

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Primary results

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Democratic primary results[7]
Party Candidate Votes %
Democratic January Contreras 464,510 100.0
Total votes 464,510 100.0

Libertarian primary

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Candidates

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Declared
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Primary results

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Libertarian primary results[7]
Party Candidate Votes %
Libertarian Michael Kielsky (write-in) 2,156 100.0
Total votes 2,144 100.0

Endorsements

[edit]
Mark Brnovich (R)

Organizations

  • Arizona Chamber of Commerce
  • Arizona Fraternal Order of Police
  • Arizona REALTORS
  • Arizona Right to Life
  • Arizona Police Association
  • Cochise County Sheriff P.J. Allred
  • Phoenix Chamber of Commerce
  • Phoenix Law Enforcement Association
  • Pinal County Sheriff Mark Lamb
  • Professional Fire Fighters of Arizona
  • Yavapai County Sheriff Scott Mascher
  • Yuma County Sheriff Leon Wilmot
January Contreras (D)

Organizations

General election

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Polling

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Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Mark
Brnovich (R) 		January
Contreras (D) 		Undecided
OH Predictive Insights[11] September 5–6, 2018 597 ± 4.0% 48% 36% 16%
Data Orbital[12] October 1–3, 2018 550 ± 4.2% 46% 33% 19%

Results

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Arizona Attorney General election, 2018[4]
Party Candidate Votes %
Republican Mark Brnovich (incumbent) 1,201,398 51.73%
Democratic January Contreras 1,120,726 48.26%
Write-in 346 0.01%
Total votes 2,322,470 100%
Republican hold

State treasurer

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Main article: 2018 Arizona State Treasurer election

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.[13] Republican Kimberly Yee won the general election.

Results

[edit]
Arizona State Treasurer election, 2018[4]
Party Candidate Votes %
Republican Kimberly Yee 1,249,120 54.28%
Democratic Mark Manoil 1,052,197 45.72%
Total votes 2,301,317 100%
Republican hold

Superintendent of Public Instruction

[edit]
Main article: 2018 Arizona Superintendent of Public Instruction election

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 election.

Republican primary

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Candidates

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Endorsements

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Tracy Livingston

Federal officials

State and local officials

Frank Riggs

Individuals

  • Ernest Garfield, former state treasurer
  • Adam Kwasman, former state representative.
  • Jim Waring, Phoenix City Councilman and former state senator.
  • Jake Hoffman, Queen Creek Town Councilman.
  • Jared Taylor, Gilbert Town Councilman.
  • Jim Lane, Mayor of Scottsdale[23]
Jonathan Gelbart

Individuals[24]

  • James Kolbe, former congressman
  • Rich Crandall, former state senator
  • Kevin Thompson, Mesa City councilmember
  • Chris Glover, Mesa City councilmember

Primary results

[edit]
Republican primary results[7]
Party Candidate Votes %
Republican Frank Riggs 124,872 21.82%
Republican Bob Branch 124,623 21.78%
Republican Diane Douglas (incumbent) 121,452 21.23%
Republican Tracy Livingston 115,778 20.23%
Republican Jonathan Gelbart 85,511 14.94%
Total votes 572,236 100%

Democratic primary

[edit]

Candidates

[edit]
Declared
[edit]

Primary results

[edit]
Democratic primary results[7]
Party Candidate Votes %
Democratic Kathy Hoffman 254,566 52.27%
Democratic David Schapira 232,419 47.73%
Total votes 486,985 100%

General election

[edit]

Polling

[edit]
Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Frank
Riggs (R) 		Kathy
Hoffman (D) 		Undecided
OH Predictive Insights[11] September 5–6, 2018 597 ± 4.0% 41% 39% 20%

Results

[edit]
Results by county
Hoffman:
  •   50–60%
  •   60–70%
  •   70–80%
Riggs:
  •   50–60%
  •   60–70%
  •   70–80%
Arizona Superintendent of Public Instruction, 2018[4]
Party Candidate Votes %
Democratic Kathy Hoffman 1,185,457 51.56%
Republican Frank Riggs 1,113,781 48.44%
Write-in 89 0.00%
Total votes 2,299,327 100%
Democratic gain from Republican

Mine Inspector

[edit]

Incumbent Republican Mine Inspector Joe Hart won re-election to a fourth term.

Republican primary

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Candidates

[edit]
Declared
[edit]

Primary results

[edit]
Republican primary results[7]
Party Candidate Votes %
Republican Joe Hart (incumbent) 546,189 100.0
Total votes 546,189 100.0

Democratic primary

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Candidates

[edit]
Declared
[edit]
  • William Pierce, engineer[26]

Primary results

[edit]
Democratic primary results[7]
Party Candidate Votes %
Democratic William "Bill" Pierce 447,924 100.0
Total votes 447,924 100.0

Libertarian primary

[edit]

Candidates

[edit]
Declared
[edit]

Primary results

[edit]
Libertarian primary results[7]
Party Candidate Votes %
Libertarian Kim Ruff (write-in) 2,106 100.0
Total votes 2,144 100.0

General election

[edit]

Results

[edit]
County results Hart:      50-60%      60-70%      70-80% Pierce:      50–60%      60–70%      70–80%
Arizona Mine Inspector election, 2018[4]
Party Candidate Votes %
Republican Joe Hart (incumbent) 1,168,798 51.74%
Democratic William Pierce 1,090,346 48.26%
Total votes 2,259,144 100%
Republican hold

Corporation Commission

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2018 Arizona Corporation Commission election
← 2014 November 6, 2018 2022 →
 
Nominee Sandra Kennedy Justin Olson
Party Democratic Republican
Popular vote 1,076,800 1,053,862
Percentage 25.72% 25.17%
 
Nominee Rodney Glassman Kiana Sears
Party Republican Democratic
Popular vote 1,049,394 1,006,654
Percentage 25.06% 24.04%
Commissioners before election

Justin Olson (R)
Tom Forese (R)

 Elected Commissioners

Justin Olson (R)
Sandra Kennedy (D)

"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."[27] Two of the seats on the Arizona Corporation Commission are up for election, elected by plurality block voting.

Republican primary

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Candidates

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Declared
[edit]
Declined
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Endorsements

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Rodney Glassman

Individuals

Primary results

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Republican primary results
Party Candidate Votes %
Republican Justin Olson (incumbent) 240,825 25.18%
Republican Rodney Glassman 218,130 22.81%
Republican James "Jim" O'Connor 206,929 21.64%
Republican Tom Forese (incumbent) 152,395 15.93%
Republican Eric Sloan 138,051 14.44%
Total votes 956,330 100%

Democratic primary

[edit]

Candidates

[edit]
Declared
[edit]

Primary results

[edit]
Democratic primary results[7]
Party Candidate Votes %
Democratic Sandra Kennedy 351,561 45.10%
Democratic Kiana Sears 219,011 28.10%
Democratic William "Bill" Mundell 208,941 26.80%
Total votes 779,513 100%

General election

[edit]

Results

[edit]
Arizona Corporation Commission election, 2018[4]
Party Candidate Votes %
Democratic Sandra Kennedy 1,076,800 25.72%
Republican Justin Olson (incumbent) 1,053,862 25.17%
Republican Rodney Glassman 1,049,394 25.06%
Democratic Kiana Sears 1,006,654 24.04%
Write-in 232 0.01%
Total votes 4,186,942 100%
Democratic gain from Republican
Republican hold

Supreme Court

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Two justices on the Arizona Supreme Court were up for retention in 2018.[36]

Justice Bolick retention

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Results by county
Yes:
  •   60–70%
  •   70–80%
  •   80–90%

Clint Bolick was appointed by Governor Doug Ducey in 2016 to succeed retiring justice Rebecca White Berch.[37]

Justice Bolick retention, 2018
Choice Votes %
Referendum passed Yes 1,187,184 70.04
No 507,800 29.96
Total votes 1,694,984 100.00
Source: Arizona Secretary of State[4]

Justice Pelander retention

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Results by county
Yes:
  •   60–70%
  •   70–80%
  •   80–90%

John Pelander was appointed by Governor Jan Brewer in 2009 to succeed retiring justice Ruth McGregor.[38] He was retained by the voters in 2012.[39]

Justice Pelander retention, 2018
Choice Votes %
Referendum passed Yes 1,188,576 71.75
No 467,934 28.25
Total votes 1,656,510 100.00
Source: Arizona Secretary of State[4]

State Legislature

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Main articles: 2018 Arizona Senate election and 2018 Arizona State House of Representatives election

All 30 members of the Arizona State Senate and all 60 members of the Arizona House of Representatives were up for election. Democrats flipped four state house districts.

State ballot measures

[edit]
Main article: List of Arizona ballot propositions
Proposition 127 Results by county
No:
  •   80–90%
  •   70–80%
  •   60–70%
  •   50–60%
Proposition 305 Results by county
No:
  •   60–70%
  •   50–60%

References

[edit]
  1. ^ "Arizona's Jeff Flake announces he will not seek re-election to U.S. Senate". azcentral. Retrieved August 31, 2018.
  2. ^ Min Kim, Seung (October 27, 2016). "Kelli Ward aims to oust Flake in 2018". Politico. Retrieved October 27, 2016.
  3. ^ Bowman, Bridget (October 27, 2016). "Flake Gets 2018 Primary Challenge". Roll Call. Retrieved October 27, 2016.
  4. ^ a b c d e f g h i j "2018 1203 Signed Official Statewide Canvass.pdf" (PDF). Arizona Secretary of State. Retrieved December 6, 2018.
  5. ^ "Official Canvas of Special General Election" (PDF). Arizona Secretary of State. Retrieved December 25, 2018.
  6. ^ a b c d e f g "Arizona Election Information". apps.arizona.vote.
  7. ^ a b c d e f g h i "2018 0910 Signed Statewide Canvass.pdf" (PDF). Arizona Secretary of State.
  8. ^ "January Contreras enters race for Arizona attorney general".
  9. ^ "Democracy for America Endorses David Garcia for Governor and January Contreras for Attorney General". Democracy for America. June 27, 2017. Retrieved June 13, 2018.
  10. ^ Metzger, Ianthe (February 23, 2018). "Human Rights Campaign Endorses January Contreras for Arizona Attorney General". Human Rights Campaign. Archived from the original on March 10, 2018. Retrieved June 13, 2018.
  11. ^ a b OH Predictive Insights
  12. ^ Data Orbital
  13. ^ Wingett Sanchez, Yvonne (April 6, 2016). "Why state Treasurer Jeff DeWit won't run for re-election". The Arizona Republic. Retrieved July 18, 2016.
  14. ^ "6-27-17 Briefs". archives.mcrcbriefs.org.
  15. ^ a b "Race for Arizona schools chief grows as two more announce run". April 18, 2017.
  16. ^ "Allhands: Arizona's big education race just got its dark horse".
  17. ^ Report, Yellow Sheet (February 3, 2017). "John Huppenthal feels your pain – Arizona Capitol Times". azcapitoltimes.com.
  18. ^ Stone, Sam. "Tracy Livingston Announces Candidacy for AZ Superintendent of Public Instruction".
  19. ^ "Republican, Democrat Join Race for Arizona Schools Chief | Arizona News | US News". Archived from the original on April 19, 2017. Retrieved April 19, 2017.
  20. ^ "Endorsements – Tracy Livingston". www.tracylivingston.vote. Archived from the original on September 9, 2017. Retrieved September 8, 2017.
  21. ^ [1][dead link]
  22. ^ Duda, Jeremy (March 17, 2017). "House Ed Chair Paul Boyer, Rep. Drew John Endorse Tracy Livingston for Superintendent".
  23. ^ "Media release" (PDF). riggsforaz.com.
  24. ^ "Endorsements".[permanent dead link]
  25. ^ "Roberts: David Schapira to take on Diane Douglas".
  26. ^ "Press release". www>statepress.com.
  27. ^ "Arizona Corporation Commission – Ballotpedia".
  28. ^ a b "Arizona Corporation Commission". www.azcc.gov.
  29. ^ TucsonSentinel.com. "Rodney Glassman on GOP bus as candidate for Az Corp Commission".
  30. ^ "Why Jim". Jim O'Connor For Corporation Commission. Archived from the original on January 22, 2018. Retrieved January 22, 2018.
  31. ^ [2][dead link]
  32. ^ "Arizona Corporation Commission member appointed to Energy Department".
  33. ^ "Home". kennedyacc2018.com.
  34. ^ [3]
  35. ^ Hines, Gary (June 21, 2018). "Meet your state candidates". The Glendale Star.
  36. ^ "Arizona Supreme Court elections, 2018". Ballotpedia. Retrieved November 25, 2025.
  37. ^ Wingett Sanchez, Yvonne (January 6, 2016). "Ducey appoints independent to Supreme Court". The Arizona Republic. Retrieved November 25, 2025.
  38. ^ Fischer, Howard; Smith, Kim (July 29, 2009). "Longtime Tucsonan named to state's high court". Arizona Daily Star. Retrieved November 26, 2025.
  39. ^ Kiefer, Michael (November 7, 2012). "All local judges on ballot retained". The Arizona Republic. Archived from the original on November 10, 2012. Retrieved November 26, 2025.
  40. ^ a b c d e "Initiative, Referendum and Recall – Arizona Secretary of State". azsos.gov.
  41. ^ a b c d e "Ballot Measure Analyses". www.azleg.gov.
  42. ^ a b c d e "Arizona Election Results". arizona.vote. Retrieved November 7, 2018.
[edit]

Ballot measures

Election results

Official Secretary of State campaign websites

Official Attorney General campaign websites

Official State Treasurer campaign websites

Official Superintendent of Public Instruction campaign websites

Official Mine Inspector campaign websites

Official Corporation Commission campaign websites

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