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Idaho gubernatorial election, 2018 (May 15 Republican primary)

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2022
2014
Governor of Idaho
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Democratic primary
Republican primary
General election
Election details
Filing deadline: March 9, 2018
Primary: May 15, 2018
General: November 6, 2018

Pre-election incumbent(s):
Butch Otter (Republican)
How to vote
Poll times: 8 a.m. to 8 p.m.
Voting in Idaho
Race ratings
Cook Political Report: Solid Republican
Sabato's Crystal Ball: Safe Republican
Inside Elections: Solid Republican
Ballotpedia analysis
Federal and state primary competitiveness
State executive elections in 2018
Impact of term limits in 2018
State government trifectas
State government triplexes
Ballotpedia's Election Analysis Hub, 2018
Idaho
executive elections
Governor

Lieutenant governor
Attorney general
Secretary of state
Treasurer
Controller
Superintendent of public instruction

Lt. Gov. Brad Little won the Republican nomination to succeed retiring three-term Gov. Butch Otter (R) in the May 15 primary with 37.3 percent of the vote. His top challengers, Rep. Raul Labrador (R) and businessman Tommy Ahlquist, received 32.6 percent and 26.2 percent of the vote, respectively.

Little, who served as lieutenant governor since 2009 and in the state Senate for eight years, emphasized his experience in state government in his run.[1] Little referred to his accomplishments as lieutenant governor while on the campaign trail, saying on his campaign website that he is "proud to have served as Lt. Governor where I worked to balance Idaho’s budget, defend our shared values, and fight federal intrusion."[2] He was backed by Gov. Butch Otter (R), Sen. Jim Risch (R), and the Idaho Cattle Association.[3]

Ahlquist, a businessman with experience in medicine and real estate, emphasized his lack of previous political experience, arguing that his varied background and ties to the state offer an opportunity for a fresh start.[4] In his run, Ahlquist focused on economic issues, pledging to continue the state's recent economic growth and to attract businesses to the state.[5] He was backed by former Gov. Mitt Romney (R) and conservative commentator Candace Owens.[6][7]

Labrador represented the state in the U.S. House since he was first elected in 2010. He is a founding member of the House Freedom Caucus, a group of members of the U.S. House that promotes what it describes as "open, accountable & limited govt, the Constitution & the rule of law, and policies that promote the liberty, safety & prosperity of all Americans."[8] Labrador sought to run as the conservative in the race, emphasizing his positions on firearms regulations and abortion.[5] He was backed by the Family Policy Alliance of Idaho and former Donald Trump Deputy Campaign Manager David Bossie.[9]

The other candidates on the ballot were Lisa Marie, Steve Pankey, Harley Brown, and Dalton Cannady. For more information on gubernatorial elections in 2018, click here.

SETTING THE STAGE
  • Heading into the election, the sitting governor was Butch Otter (R), who was first elected to the post in 2006 and re-elected in 2010 and 2014. Otter declined to run for re-election in 2018.
  • At the time of the 2018 election, Idaho was a Republican trifecta. It first gained this status when former Gov. Phil Batt (R) took office in 1995. Idaho was a Republican triplex in 2018.
  • Idaho was won by the Republican candidate in each of the five presidential elections leading up to the 2018 election. The widest margin of victory was George W. Bush's 40 percent margin in 2000 while the narrowest was John McCain's 25 percent margin in 2008.
  • Idaho was one of 36 states that held an election for governor in 2018. Democrats gained seven previously Republican-held seats, and Republicans gained one previously independent-held seat. Heading into the 2018 elections, there were 16 Democratic governors, 33 Republican governors, and one independent governor. In 2018, 26 of the 33 states with a Republican governor held a gubernatorial election, while nine out of the 16 states with a Democratic governor held a gubernatorial election. Seventeen of the 36 seats up for election were open seats (four Democratic, 12 Republican, and one independent), meaning that the sitting governor was not seeking re-election. Click here for more information on other 2018 gubernatorial elections.

    Candidates and election results

    The following candidates ran in the Republican primary for Governor of Idaho on May 15, 2018.

    Republican primary election

    Republican primary for Governor of Idaho

    Candidate
    %
    Votes
    Image of Brad Little
    Brad Little
     
    37.3
     
    72,548
    Image of Raúl Labrador
    Raúl Labrador
     
    32.6
     
    63,478
    Tommy Ahlquist
     
    26.2
     
    51,008
    Image of Lisa Marie
    Lisa Marie
     
    1.7
     
    3,397
    Image of Steven Pankey
    Steven Pankey Candidate Connection
     
    1.4
     
    2,704
    Image of Harley Brown
    Harley Brown
     
    0.4
     
    874
    Ben Cannady
     
    0.3
     
    527

    Total votes: 194,536
    Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
    If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.

    Do you want a spreadsheet of this type of data? Contact our sales team.

    Top candidates

    Republican Party Tommy Ahlquist

    Tommy Ahlquist.jpg

    A businessman with a background and medicine and real estate, Ahlquist had not previously sought elected office.

    In Ahlquist's March 2017 announcement that he would seek the seat, he emphasized his past business experience: "I’m a doer and I’m a fixer, and I will work my heart out for the families and the children of this great state."[10] Ahlquist's campaign website touts his Blueprint for Idaho and emphasizes his positions on business, education, and healthcare.[11]




    Republican Party Raul Labrador

    Raul R. Labrador.jpg

    At the time he launched his run for governor, Labrador represented Idaho's 1st congressional district in the U.S. House. He was first elected in 2010. Prior to that, Labrador served two two-year terms in the state House.

    In his May 2017 campaign kickoff speech, Labrador touted his record in the U.S. House: "Every time there’s a piece of legislation, I work hard to make it more conservative. … I think I’ve accomplished a lot of things. The main thing we’ve done is we’ve been able to bring conservative leadership to the House."[12] Labrador's campaign website emphasized his positions on marriage, firearms regulations, and abortion.[13] Labrador's Conservative Vision for a Stronger Idaho emphasizes his stances on education, healthcare, and the economy.[14]

    Republican Party Brad Little

    BradLittle.jpg

    As of the May 15 primary, Little served as lieutenant governor, a post he had held since 2009. Prior to his appointment as lieutenant governor, Little served eight years in the state Senate.

    In his June 2016 announcement that he would run for governor, Little emphasized his experience in state government: "I’ve got a great relationship with the Idaho legislature. I’ve got a great relationship with local government, whether they be school boards, city councils, county commissioners. I’ve got a great relationship with our congressional delegation."[15] Little's campaign website, which promised "bold new leadership for Idaho", emphasized his positions on education, the economy, and social issues.[16]


    Candidates

    See also: Statistics on gubernatorial candidates, 2018



    See also: Idaho gubernatorial election, 2018 (May 15 Republican primary)

    Republican Party Republican primary candidates


    Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

    Not on ballot


    Context of the 2018 election

    Polls

    See also: Ballotpedia's approach to covering polls
    Idaho Governor, 2018 Republican primary
    Poll Raul Labrador Brad LittleTommy AhlquistUndecided/OtherMargin of errorSample size
    Magellan Strategies
    (October 11-12, 2017)
    37%23%21%19%+/-3.66714
    Note: The polls above may not reflect all polls that have been conducted in this race. Those displayed are a random sampling chosen by Ballotpedia staff. If you would like to nominate another poll for inclusion in the table, send an email to editor@ballotpedia.org.

    Noteworthy events

    Endorsement of Mitt Romney

    On October 12, 2017, the Ahlquist campaign announced that Ahlquist had received the endorsement of Gov. Mitt Romney (R), who had agreed to headline an October 25 campaign event.[18]

    Past elections

    2014

    See also: Idaho gubernatorial election, 2014

    Butch Otter ran for re-election as governor of Idaho in the 2014 elections. Otter defeated Russell Fulcher, Harley D. Brown, and Walt Bayes by a 7.8 percent margin in the primary election.[19]

    Governor of Idaho, Republican Primary, 2014
    Candidate Vote % Votes
    Green check mark transparent.pngButch Otter Incumbent 51.4% 79,779
    Russell Fulcher 43.6% 67,694
    Harley D. Brown 3.3% 5,084
    Walt Bayes 1.8% 2,753
    Total Votes 155,310
    Election results via Idaho Secretary of State.


    Voter information

    How the primary works

    A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election. In Idaho, parties decide who may vote in their primaries. As of July 2025, the Democratic Party allows unaffiliated voters to vote in its primary, while the Republican Party only allows voters registered with its party to vote in its primary. Unaffiliated voters can choose to affiliate with a party on Election Day.[20][21][22]

    For information about which offices are nominated via primary election, see this article.

    Poll times

    In Idaho, all polls are open from 8:00 a.m. to 8:00 p.m. local time. In some instances, polls may open at 7:00 a.m., at the discretion of the local clerk. Idaho is split between Mountain and Pacific time zones. An individual who is in line at the time polls close must be allowed to vote.[23]

    Registration requirements

    Check your voter registration status here.

    To register to vote in Idaho, an individual must be a citizen of the United States, a resident of the Idaho county in which they are registering for at least 30 days before the election, and at least 18 years old on or before Election Day.[24][25]

    Registration in advance of election day may be completed online, in person at the county clerk's office, or by mail. The deadline to register to vote online is the 11th day before the election. A registration application submitted by mail must be received by the 5:00 p.m. on the 11th day before the election. Voters may also register in-person at an early voting location or on Election Day.[24][26][27][28]

    Idaho requires a photo ID and proof of residence to register to vote in person. According to the secretary of state's website, a valid photo ID is one of:[26]

    • Idaho Driver’s License
    • Idaho Identification Card
    • Passport or Federal ID
    • Tribal ID Card
    • Concealed Weapons License issued by a county sheriff in Idaho

    A valid proof of residence is one of:[26]

    • Above photo ID with the correct address
    • Proof of insurance
    • Mortgage, lease, or rental agreement
    • Property tax assessment, bill
    • Utility bill (no cell bills)
    • Bank/credit card statement
    • Paystub/paycheck
    • Intake document to a care facility
    • Enrollment letter from an Idaho high school or university
    • Letter from a social service agency

    A voter registering to vote by a mail application must provide their Idaho driver's license number or their social security number. If the voter is registering for the first time they must also include a copy of a photo ID and proof of residence. Eligible documents are listed above.[24]

    Automatic registration

    See also: Automatic voter registration

    Idaho does not practice automatic voter registration.

    Online registration

    See also: Online voter registration

    Idaho has implemented an online voter registration system. Residents can register to vote by visiting this website.

    Same-day registration

    See also: Online voter registration

    Idaho allows same-day voter registration.

    Residency requirements

    Idaho law requires 30 days of residency in one of the state’s counties before a person may vote.

    Verification of citizenship

    See also: Laws permitting noncitizens to vote in the United States

    Idaho does not require proof of citizenship for voter registration. An individual applying to register to vote must attest that they are a U.S. citizen under penalty of perjury.

    All 49 states with voter registration systems require applicants to declare that they are U.S. citizens in order to register to vote in state and federal elections, under penalty of perjury or other punishment.[29] Seven states — Alabama, Arizona, Georgia, Kansas, Louisiana, New Hampshire, and Wyoming — have laws requiring verification of citizenship at the time of voter registration, whether in effect or not. In three states — California, Maryland, and Vermont — at least one local jurisdiction allows noncitizens to vote in some local elections. Noncitizens registering to vote in those elections must complete a voter registration application provided by the local jurisdiction and are not eligible to register as state or federal voters.

    Verifying your registration

    The page Voter Information Look-Up, run by the Idaho Secretary of State's office, allows residents to check their voter registration status online.

    Voter ID requirements

    Early voting

    Idaho permits early voting. Learn more by visiting this website.

    Early voting in Idaho varies by county, but may begin no earlier than the fourth Monday before Election Day.[30][28] To find dates and times in your county, check with your county elections office here.

    Early voting permits citizens to cast ballots in person at a polling place prior to an election. In states that permit no-excuse early voting, a voter does not have to provide an excuse for being unable to vote on Election Day. States that allow voters to cast no-excuse absentee/mail-in ballots in person are counted as no-excuse early voting states.

    Forty-seven states and the District of Columbia permit no-excuse early voting.

    Absentee voting

    All voters are eligible to vote absentee in Idaho. There are no special eligibility requirements for voting absentee. To vote absentee, an application must be received by election officials no later than the 11th day preceding the election.[31][32][33]


    State overview

    Partisan control

    This section details the partisan control of federal and state positions in Idaho heading into the 2018 elections.

    Congressional delegation

    State executives

    • As of May 2018, Republicans held seven of 14 state executive positions; the other seven were nonpartisan offices.
    • Heading into the 2018 election, the sitting governor of Idaho was Butch Otter (R).

    State legislature

    • Republicans controlled both chambers of the Idaho State Legislature. They had a 59-11 majority in the state House and a 29-6 majority in the state Senate.

    Trifecta status

    Idaho was a Republican trifecta, meaning that the Republican Party held the governorship, a majority in the state Senate, and a majority in the state House.

    2018 elections

    See also: Idaho elections, 2018

    Idaho held elections for the following offices in 2018:

    Demographics

    Demographic data for Idaho
     IdahoU.S.
    Total population:1,652,828316,515,021
    Land area (sq mi):82,6433,531,905
    Race and ethnicity**
    White:91.7%73.6%
    Black/African American:0.6%12.6%
    Asian:1.3%5.1%
    Native American:1.3%0.8%
    Pacific Islander:0.1%0.2%
    Two or more:2.6%3%
    Hispanic/Latino:11.8%17.1%
    Education
    High school graduation rate:89.5%86.7%
    College graduation rate:25.9%29.8%
    Income
    Median household income:$47,583$53,889
    Persons below poverty level:16.9%11.3%
    Source: U.S. Census Bureau, "American Community Survey" (5-year estimates 2010-2015)
    Click here for more information on the 2020 census and here for more on its impact on the redistricting process in Idaho.
    **Note: Percentages for race and ethnicity may add up to more than 100 percent because respondents may report more than one race and the Hispanic/Latino ethnicity may be selected in conjunction with any race. Read more about race and ethnicity in the census here.

    As of July 2017, Idaho had a population of approximately 1,716,943 people, and its three largest cities were Boise (pop. est. 223,154), Meridian (pop. est. 95,623), and Nampa (pop. est. 91,382).[34]

    State election history

    This section provides an overview of federal and state elections in Idaho from 2000 to 2016.

    Historical elections

    Presidential elections, 2000-2016

    This chart shows the results of the presidential election in Idaho every year from 2000 to 2016.

    Election results (President of the United States), Idaho 2000-2016[35]
    Year First-place candidate First-place candidate votes (%) Second-place candidate Second-place candidate votes (%) Margin of victory (%)
    2016 Republican Party Donald Trump 59.26% Democratic Party Hillary Clinton 27.49% 31.77%
    2012 Republican Party Mitt Romney 64.53% Democratic Party Barack Obama 32.62% 31.91%
    2008 Republican Party John McCain 61.52% Democratic Party Barack Obama 36.09% 25.43%
    2004 Republican Party George W. Bush 68.38% Democratic Party John Kerry 30.26% 38.12%
    2000 Republican Party George W. Bush 67.17% Democratic Party Al Gore 27.64% 39.53%

    U.S. Senate elections, 2000-2016

    This chart shows the results of U.S. Senate races in Idaho from 2000 to 2016. Every state has two Senate seats, and each seat goes up for election every six years. The terms of the seats are staggered so that roughly one-third of the seats are up every two years.

    Election results (U.S. Senator), Idaho 2000-2016[35]
    Year First-place candidate First-place candidate votes (%) Second-place candidate Second-place candidate votes (%) Margin of victory (%)
    2016 Republican Party Mike Crapo 66.13% Democratic Party Jerry Sturgill 27.73% 38.40%
    2014 Republican Party Jim Risch 65.33% Democratic Party Nels Mitchell 34.67% 30.66%
    2010 Republican Party Mike Crapo 71.18% Democratic Party Tom Sullivan 24.93% 46.25%
    2008 Republican Party Jim Risch 57.65% Democratic Party Larry LaRocco 34.11% 23.54%
    2004 Republican Party Mike Crapo 99.18% Democratic Party Scott McClure 0.82% 98.36%
    2002 Republican Party Larry Craig 65.16% Democratic Party Allan Blinken 32.55% 32.61%

    Gubernatorial elections, 2000-2014

    This chart shows the results of the four gubernatorial elections held between 2000 and 2014. Gubernatorial elections are held every four years in Idaho.

    Election results (Governor), Idaho 2000-2016[36]
    Year First-place candidate First-place candidate votes (%) Second-place candidate Second-place candidate votes (%) Margin of victory (%)
    2014 Republican Party C. L. 'Butch' Otter 53.52% Democratic Party A. J. Balukoff 38.55% 14.97%
    2010 Republican Party C. L. 'Butch' Otter 59.11% Democratic Party Keith Allred 32.85% 26.26%
    2006 Republican Party C. L. 'Butch' Otter 52.67% Democratic Party Jerry Brady 44.11% 8.56%
    2002 Republican Party C. Dirk Kempthorne 56.28% Democratic Party Jerry Brady 41.73% 14.55%

    Trifectas, 1992-2017

    A state government trifecta occurs when one party controls both chambers of the state legislature and the governor's office.

    Idaho Party Control: 1992-2025
    No Democratic trifectas  •  Thirty one years of Republican trifectas
    Scroll left and right on the table below to view more years.

    Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
    Governor D D D R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R
    Senate R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R
    House R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R



    Pivot Counties

    See also: Pivot Counties by state

    No counties in Idaho are Pivot Counties. Pivot Counties are counties that voted for Barack Obama (D) in 2008 and 2012 and for Donald Trump (R) in 2016. Altogether, the nation had 206 Pivot Counties, with most being concentrated in upper midwestern and northeastern states.

    In the 2016 presidential election, Donald Trump (R) won Idaho with 59.3 percent of the vote. Hillary Clinton (D) received 27.5 percent. Independent candidate Evan McMullin received 6.7 percent. In presidential elections between 1900 and 2016, Idaho voted Republican 70 percent of the time and Democratic 30 percent of the time. In the five presidential elections between 2000 and 2016, Idaho voted Republican all five times.

    Presidential results by legislative district

    The following table details results of the 2012 and 2016 presidential elections by state House districts in Idaho. Click [show] to expand the table. The "Obama," "Romney," "Clinton," and "Trump" columns describe the percent of the vote each presidential candidate received in the district. The "2012 Margin" and "2016 Margin" columns describe the margin of victory between the two presidential candidates in those years. Data on the results of the 2012 and 2016 presidential elections broken down by state legislative districts was compiled by Daily Kos.[37][38]

    In 2012, Barack Obama (D) won 4 out of 35 state House districts in Idaho with an average margin of victory of 13.5 points. In 2016, Hillary Clinton (D) won 4 out of 35 state House districts in Idaho with an average margin of victory of 17 points.
    In 2012, Mitt Romney (R) won 31 out of 35 state House districts in Idaho with an average margin of victory of 38.6 points. In 2016, Donald Trump (R) won 31 out of 35 state House districts in Idaho with an average margin of victory of 39 points. Trump won three seats controlled by Democrats heading into the 2018 elections.

    Recent news

    The link below is to the most recent stories in a Google news search for the terms Idaho governor Republican primary 2018. These results are automatically generated from Google. Ballotpedia does not curate or endorse these articles.

    See also

    Idaho government:

    Elections:

    Ballotpedia exclusives:

    External links

    Footnotes

    1. Vox, "The super-expensive, heated governor’s race you aren’t paying attention to," May 14, 2018
    2. Brad Little for Idaho, "Home," accessed May 14, 2018
    3. Brad Little for Governor, "Campaign News," accessed May 14, 2018
    4. Idaho Statesman, "Tommy Ahlquist: You can vote for the same old politicians, or for my fresh approach, ideas," May 11, 2018
    5. 5.0 5.1 New York Times, "What the Fastest Growth in the U.S. Means for Idaho Politics," May 13, 2018
    6. U.S. News, "Mitt Romney Endorses Tommy Ahlquist for Idaho Governor," October 25, 2017
    7. The Spokesman-Review, "Ahlquist wins endorsement from prominent young Trump backers Candace Owens and Charlie Kirk," April 30, 2018
    8. Twitter, "House Freedom Caucus," accessed May 14, 2018
    9. Labrador for Governor, "Updates," accessed May 14, 2018
    10. The Spokesman-Review, "Doctor, developer launches campaign for governor of Idaho," March 1, 2017
    11. Tommy Ahlquist for Governor, "Blueprint for An Even Better Idaho," accessed May 14, 2018
    12. The Spokesman-Review, "Raul Labrador kicks off campaign for Idaho governor, touts record in Congress," May 30, 2017
    13. Raul Labrador for Governor, "Home," accessed May 14, 2018
    14. Raul Labrador for Governor, "Conservative Vision for a Stronger Idaho," accessed May 14, 2018
    15. Idaho Statesman, "Brad Little, Idaho’s governor-in-waiting, commits to 2018 run," June 28, 2016
    16. Brad Little for Idaho, "Home," accessed May 14, 2018
    17. The Green Papers, "Idaho 2018 General Election Candidates," accessed November 8, 2017
    18. Post Register, "Romney to campaign for Ahlquist in I.F." October 12, 2017
    19. Idaho Secretary of State, "May 20, 2014, Primary Election Results," accessed September 18, 2017
    20. Idaho Secretary of State's Office, "Primary Elections in Idaho," accessed July 2, 2025
    21. National Conference of State Legislatures, "State Primary Election Types," accessed July 2, 2024
    22. ACLU Idaho, "2024 Your Rights as an Idaho Voter," accessed July 2, 2025
    23. Idaho Statutes, "Section 34-1101," accessed July 2, 2025
    24. 24.0 24.1 24.2 Idaho Secretary of State, "Idaho Voter Registration Form," accessed July 2, 2025
    25. Idaho Secretary of State, "Citizenship & Voting," accessed July 2, 2025
    26. 26.0 26.1 26.2 Idaho Secretary of State - Vote Idaho, "Registering To Vote," accessed July 2, 2025
    27. Idaho Legislature, "Idaho Statutes § 34-408," accessed June 26, 2025
    28. 28.0 28.1 Idaho Legislature, "2025 Legislation - House Bill 278," accessed June 26, 2025
    29. Under federal law, the national mail voter registration application (a version of which is in use in all states with voter registration systems) requires applicants to indicate that they are U.S. citizens in order to complete an application to vote in state or federal elections, but does not require voters to provide documentary proof of citizenship. According to the U.S. Department of Justice, the application "may require only the minimum amount of information necessary to prevent duplicate voter registrations and permit State officials both to determine the eligibility of the applicant to vote and to administer the voting process."
    30. Idaho Legislature, "Idaho Statutes § 34-1012," accessed June 25, 2025
    31. Idaho State Legislature, "Idaho Statutes 34-1001," accessed July 2, 2025
    32. Idaho State Legislature, "Idaho Statutes 34-1002," accessed July 2, 2025
    33. Ada County Elections, "Absentee Voting," accessed July 2, 2025
    34. United States Census Bureau, "QuickFacts Nampa city, Idaho; Meridian city, Idaho; Boise City city, Idaho; Idaho," accessed January 8, 2018
    35. 35.0 35.1 Federal Election Commission, "Election Results for the U.S. President, the U.S. Senate and the U.S. House of Representatives," accessed January 5, 2018
    36. Dave Leip's Atlas of U.S. Presidential Elections, "Idaho Election Results," accessed January 5, 2018
    37. Daily Kos, "Daily Kos Elections' statewide election results by congressional and legislative districts," July 9, 2013
    38. Daily Kos, "Daily Kos Elections' 2016 presidential results for congressional and legislative districts," February 6, 2017