The 2018 Wyoming gubernatorial election took place on November 6, 2018, to elect the governor of Wyoming. Incumbent Republican governor Matt Mead was term-limited and could not seek a third consecutive term. Republican nominee Mark Gordon defeated Democratic nominee Mary Throne by nearly 40 percentage points.[1]

Quick Facts Turnout, Nominee ...
2018 Wyoming gubernatorial election

 2014 November 6, 2018 2022 
Turnout73.45% registered Increase 10.08%
41.16% of total population Increase 7.16%
 
Nominee Mark Gordon Mary Throne
Party Republican Democratic
Popular vote 136,412 55,965
Percentage 67.12% 27.54%

Gordon:      40–50%      50–60%      60–70%      70–80%      80–90%      >90%
Throne:      40–50%      50–60%      60–70%      70–80%
     No votes

Governor before election

Matt Mead
Republican

Elected Governor

Mark Gordon
Republican

Close

This was the only time since 1978 that a candidate from the President's party was elected governor of Wyoming.

Republican primary

Candidates

Nominated

Declared

Withdrew

Endorsements

Foster Friess
Federal officials
State legislators
Individuals
Organizations
Sam Galeotos
Federal elected officials
State legislators
Individuals
  • Ray Hunkins, Republican nominee for Governor in 2006
Mark Gordon
Federal elected officials
State elected officials
State legislators
Individuals
Organizations
Harriet Hageman
State legislators

Polling

More information Poll source, Date(s) administered ...
Poll source Date(s)
administered
Sample
size
Margin
of error
Foster
Friess
Sam
Galeotos
Mark
Gordon
Harriet
Hageman
Taylor
Haynes
Other Undecided
University of Wyoming August 17–19, 2018 357 20% 10% 26% 18% 9% 1%[35] 15%
The Trafalgar Group (R) August 11–14, 2018 1,775 ± 2.4% 21% 10% 20% 16% 6% 8%[36] 20%
University of Wyoming June 18–20, 2018 596 ± 4.0% 6% 14% 19% 11% 10% 1%[35] 35%
Close

Results

Results by county:
  Gordon—50–60%
  Gordon—40–50%
  Gordon—30–40%
  Gordon—<30%
  Friess—<30%
  Friess—30–40%
  Hageman—<30%
  Hageman—30–40%
  Hageman—40–50%
More information Party, Candidate ...
Republican primary results[37]
Party Candidate Votes %
Republican Mark Gordon 38,951 33.0
Republican Foster Friess 29,842 25.3
Republican Harriet Hageman 25,052 21.2
Republican Sam Galeotos 14,554 12.3
Republican Taylor Haynes 6,511 5.5
Republican Bill Dahlin 1,763 1.5
n/a Under votes 1,269 1.1
Republican Write-ins 113 0.0
n/a Over votes 46 0.0
Total votes 118,101 100.0
Close

Democratic primary

Candidates

Nominated

Declared

  • Ken Casner, candidate for governor in 2002[40]
  • Michael Allen Green, nominee for the U.S. House of Representatives in 2000[40]
  • Rex Wilde, candidate for governor in 2010[40]

Declined

Endorsements

Mary Throne
Federal executive officers
State executive officers
State legislators
Individuals
  • Mickey Babcock, Wyoming activist and Founder/Director of The Equipoise Fund[47]
  • Ryan Greene, author, businessman, and nominee for the U.S. House of Representatives in 2016[48]
Organizations
  • Greater Cheyenne Chamber of Commerce[49]
  • Wyoming Education Association[50]
Newspapers

Results

Thumb
Results by county:
  Throne—80–90%
  Throne—70–80%
  Throne—60–70%
  Throne—50–60%
More information Party, Candidate ...
Democratic primary results[37]
Party Candidate Votes %
Democratic Mary Throne 12,948 66.5
Democratic Michael Green 2,391 12.3
n/a Under votes 1,385 7.1
Democratic Kenneth Casner 1,213 6.2
Democratic Rex Wilde 1,201 6.2
Democratic Write-ins 323 1.7
n/a Over votes 13 0.0
Total votes 19,474 100.0
Close

Independents and third parties

Candidates

Declared

General election

Debates

Predictions

More information Source, Ranking ...
Source Ranking As of
The Cook Political Report[52] Safe R October 26, 2018
The Washington Post[53] Safe R November 5, 2018
FiveThirtyEight[54] Safe R November 5, 2018
Rothenberg Political Report[55] Safe R November 1, 2018
Sabato's Crystal Ball[56] Safe R November 5, 2018
RealClearPolitics[57] Safe R November 4, 2018
Daily Kos[58] Safe R November 5, 2018
Fox News[59][lower-alpha 1] Likely R November 5, 2018
Politico[60] Safe R November 5, 2018
Governing[61] Safe R November 5, 2018
Close
Notes
  1. The Fox News Midterm Power Rankings uniquely does not contain a category for Safe/Solid races

Polling

More information Poll source, Date(s) administered ...
Poll source Date(s)
administered
Sample
size
Margin
of error
Mark
Gordon (R)
Mary
Throne (D)
Rex
Rammell (C)
Lawrence
Struempf (L)
Undecided
Change Research November 2–4, 2018 858 61% 27% 6% 4%
Close

Results

Thumb
State Senate results
More information Party, Candidate ...
Wyoming gubernatorial election, 2018[62]
Party Candidate Votes % ±%
Republican Mark Gordon 136,412 67.12% +7.73%
Democratic Mary Throne 55,965 27.54% +0.29%
Constitution Rex Rammell 6,751 3.32% N/A
Libertarian Lawrence Struempf 3,010 1.48% −0.93%
Write-in 1,100 0.54% -4.52%
Total votes 203,238 100.00% N/A
Republican hold
Close

Counties that flipped from Republican to Democratic

References

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