The Green Papers
2018 Gubernatorial Primaries at a Glance


This "at a glance" look at the primary in each State simply lists the winner (and, in many cases, the candidate who came in second) in each Primary in chronological order.

boldface followed by (inc) indicates the incumbent

2018 Gubernatorial Primaries at a Glance
Date State Democrat
R Winner % Second % R Winner % Second %
Tuesday 6 March 2018 Texas   Valdez (43%) v. White (28%) proceed to 22 May runoff   Abbott (inc)      
Tuesday 20 March 2018 Illinois   Pritzker 46 Biss 26   Rauner (inc) N Ives  
Tuesday 8 May 2018 Ohio   Cordray L Kucinich     DeWine D Taylor  
Tuesday 15 May 2018 Idaho   Jordan D Balukoff     Little 37 Labrador 33
Nebraska   Krist D Ward     Ricketts (inc)      
Oregon   Brown (inc)         Buehler 48 Carpenter 30
Pennsylvania   Wolf (inc) U       Wagner 44 Mango 40
Tuesday 22 May 2018 Arkansas   Henderson L Sanders     Hutchinson (inc) L Morgan  
Georgia   Abrams         Cagle (39%) v. Kemp (26%) proceed to a 26 June runoff
Texas R Valdez D White   R        
Tuesday 5 June 2018 Alabama   Maddox D Cobb     Ivey D Battle  
California   Newsom 33       Cox 26    
Top Two Primary Top Two Primary
Iowa   Hubbell D Glasson     Reynolds (inc)   U  
New Mexico   Grisham (inc) L Apodaca     Pearce U    
South Dakota   Sutton P       Noem D Jackley  
Tuesday 12 June 2018 Maine   Mills D Cote     Moody D Mason  
Nevada   Sisolak N Giunchigliani     Laxalt L Schwartz  
South Carolina   Smith L Willis     McMaster (inc.) v Warren proceed to a 26 June runoff
Tuesday 19 June 2018 Arkansas R         R        
Tuesday 26 June 2018 Colorado   Polis 45 Kennedy 25   Stapleton 48 Mitchell 30
Maryland   Jealous 40 Baker 29   Hogan (inc) U    
Oklahoma   Edmondson L Johnson     Cornett v. Stitt
proceed to a 28 August runoff
South Carolina R         R McMaster (inc) D Warren  
Tuesday 17 July 2018 Alabama R         R        
Tuesday 24 July 2018 Georgia R         R Kemp L Cagle  
Thursday 2 August 2018 Tennessee   Dean L Fitzhugh     Lee 37 Boyd 24
Tuesday 7 August 2018 Kansas   Kelly N Brewer            
Michigan   Whitmer N El-Sayed     Schuette N Calley  
Saturday 11 August 2018 Hawaii   Ing (inc) N Hanabusa     Tupola D Carrol  
Tuesday 14 August 2018 Connecticut   Lamont         Stefanowski 29 Boughton 21
Minnesota   Walz 42 Murphy 32   Johnson D Pawlenty  
South Dakota R         R        
Vermont   Hallquist 48 Ehlers 22   Scott (inc) L Stern  
Wisconsin   Evers 42 Mitchell 16   Walker (inc)      
Tuesday 21 August 2018 Alaska   Begich U       Dunleavy L Treadwell  
Wyoming   Throne L Green     Gordon 33 Friess 26
Tuesday 28 August 2018 Arizona   Garcia 49 Farley 34   Ducey (inc) L Bennett  
Florida   Gillum 34 Graham 31   DeSantis D Putnam  
Oklahoma R         R Stitt D Cornett  
Tuesday 4 September 2018 Massachusetts   Gonzalez L Massie     Baker (inc) L Lively  
Tuesday 11 September 2018 New Hampshire   Kelly L Marchand     Sununu (inc) P    
Wednesday 12 September 2018 Rhode Island   Raimondo D Brown     Fung D Morgan  
Thursday 13 September 2018 New York   Cuomo (inc) L Nixon     Molinaro P    


  • If a candidate wins 75.5% or more of the primary vote, the second place finisher is not listed.
  • U means that this candidate ran in the primary unopposed (that is, with no other candidates appearing on the ballot but him/her). Please note that write-ins do NOT count as such "other candidates on the ballot" but the appearance of "Uncommitted" (or equivalent, such as "None of the Above") on a ballot DOES.
  • L indicates a landslide majority [60.5 to 75.4% of the primary vote] for the winner.
  • D indicates a decisive majority [52.5 to 60.4% of the primary vote] for the winner.
  • N indicates a narrow majority [50.0(+1 vote) to 52.4% of the primary vote] for the winner.
  • Where a winning (or, in a runoff State, leading) candidate has failed to gain at least a majority of the primary vote, the winner(leader) of the primary and the candidate who came in second are both listed with their respective percentages of the primary vote rounded up or down to the nearest whole integer.
  • C indicates the Party's nominee was chosen by a Party-run process other than the Primary (State Convention, Party Central Committee or equivalent).
  • P indicates Primary cancelled / nomination by default because nominee was the only candidate to have filed for this Party's Primary for this office. P also applies to nominees-to-be by apparent Party consensus (i.e. no opposition at an ensuing Convention).
  • R indicates any Runoff which has been scheduled for this date.

  2018 General Election Home  
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  Close Contests Summary - Decision by 2% or less  
  Contests Where No Candidate Received a Majority  
2018 Primaries and Runoffs for Statewide offices/Congress
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  2018 Partisan Composition by State  
  Political Parties  
  Senate Electoral Classes  
  Statewide Political Party Strength going into the 2018 Midterm Elections  
  Relative Political Party Strength by SECTION and Region going into the 2018 Midterm Election  
  Weighted Relative Political Party Strength by SECTION and Region  
  2018 Congressional Party Breakdown by Region  
  2018 STATE EXECUTIVE/LEGISLATIVE Political Party Breakdown by SECTION and Region  

  Comparative Political Party Predominance in each State, 2000 thru 2016  
  Political Party Floor Leaders in the Congress of the United States  
  Dates of DIRECT PRIMARY Elections re: Major Party Nominations for Statewide and/or Federal Office  
  Length of Terms of Office of STATE Governors throughout American History