2018 Idaho elections Registered 917,612 Turnout 66.8%[ 1]
Ageneral election was held in theU.S. state ofIdaho on November 6, 2018. All of Idaho's executive officers were up for election as well as both of Idaho's two seats in theUnited States House of Representatives .Primary elections were held on May 15, 2018.
United States House of Representatives [ edit ] Both of Idaho's two seats in theUnited States House of Representatives were up for election in 2018.
In thefirst congressional district ,Raúl Labrador did not seek reelection and unsuccessfully ran for governor. Former state senator and fellow RepublicanRuss Fulcher was elected to represent the district.
In thesecond congressional district ,Mike Simpson ran for reelection and won comfortably.
Republican governor Butch Otter was succeeded by businessman Brad Little.[ 2]
Lieutenant governor [ edit ] Incumbent Republicanlieutenant governor Brad Little did not run for re-election to a third full term, and instead ran for governor.[ 4] Janice McGeachin won the election for lieutenant governor by nearly 60% following a highly contested primary.
Democratic primary results Party Candidate Votes % Democratic Kristin Collum 52,417 88.2 Democratic Jim Fabe 6,987 11.8 Total votes 59,404 100.0
Declared
Incumbent Republicanattorney general Lawrence Wasden won re-election to a fifth term.[ 9]
County resultsWasden: 50–60% 60–70% 70–80% 80–90%Bistline: 50–60% 60–70% Democratic primary results Party Candidate Votes % Democratic Bruce S. Bistline 47,637 100.0 Total votes 47,637 100.0
Governing magazine projected the race as "safe Republican".[ 10]
Incumbent Republicansecretary of state Lawerence Denney won re-election to a second term.[ 11]
Democratic primary results Party Candidate Votes % Democratic Jill Humble 42,611 74.8 Democratic Joseph Chastain 14,361 25.2 Total votes 56,972 100.0
Primary results by county: Incumbent Republicanstate treasurer Ron Crane did not run for re-election to a sixth term.[ 12] No Democrats filed to run for this race.Julie Ellsworth won the election unopposed.
Declared
Results by county
Incumbent Republican ControllerBrandon D. Woolf won re-election to a second full term. He was unopposed in the general election because no Democrats filed to challenge him.
Results by county
Superintendent of public instruction [ edit ] Incumbent Republican superintendent of public instructionSherri Ybarra narrowly won re-election to a second term.[ 16]
Wilder School Superintendent Jeff Dillon filed to run in the Republican primary on April 29, 2017.[ 17]
Democratic primary results Party Candidate Votes % Democratic Cindy Wilson 49,565 74.8 Democratic Allen Humble 8,051 25.2 Total votes 57,616 100.0
Two statewide ballot measures appeared on the ballot.
If approved, Proposition 1 would have authorized the usage of video terminals to for betting onhistorical horse races . It was defeated 54%-46%.
Idaho Proposition 2 was an initiative to expandMedicaid to those under sixty-five years old in the state. It was approved 61%-39%.
^ "2018 Nov 6 General Election - Voting Statistics" .Idaho Secretary of State . RetrievedMay 12, 2025 .^ Russell, Betsy Z. (October 14, 2014)."Otter on running for 4th term: 'If I did, I'd be running as a bachelor, my wife told me' " .The Spokesman-Review . RetrievedJuly 7, 2016 . ^ "Nov 04, 2014 General Election Results" . Idaho Secretary of State. Archived fromthe original on December 1, 2014. RetrievedDecember 8, 2014 .^ Dentzer, Bill (June 28, 2016)."Brad Little, Idaho's governor-in-waiting, commits to 2018 run" .Idaho Statesman . RetrievedJuly 7, 2016 . ^ "Meridian Sen. Marv Hagedorn announces lt. governor bid" .Meridian Press . December 7, 2016. Archived fromthe original on December 9, 2016. RetrievedDecember 11, 2016 .^a b "2 more candidates to run for Idaho lieutenant governor" .Spokesman.com . RetrievedApril 15, 2017 .^ "Nonini makes bid for Idaho lieutenant governor" . October 10, 2017. Archived fromthe original on October 18, 2017. RetrievedDecember 5, 2017 .^ "Yates launches lt. gov. campaign, joining crowded race" .Spokesman.com . RetrievedSeptember 8, 2017 .^ "Wasden to seek another term as Attorney General, not join crowds running for governor, Congress" .Spokesman.com . RetrievedSeptember 8, 2017 .^a b Jacobson, Louis (June 4, 2018)."Secretary of State Races Are More Competitive and Important Than Ever" . Governing. RetrievedSeptember 22, 2019 . ^ "Kimberlee Kruesi on Twitter" .Twitter . RetrievedApril 19, 2017 .^ "Eye on Boise: Idaho Treasurer Ron Crane won't seek re-election" .Spokesman.com . RetrievedApril 15, 2017 .^ "Tom Kealey announces run for state treasurer, third Republican in the race" .Spokesman.com . RetrievedSeptember 8, 2017 .^ "Ada County Treasurer Vicky McIntyre to run for state office" .Spokesman.com . RetrievedSeptember 8, 2017 .^ Russell, Betsy (April 19, 2018)."Idaho GOP candidates face off in state treasurer debate" .The Spokesman-Review . RetrievedMay 29, 2025 . ^ Corbin, Clark (December 16, 2015)."Ybarra to Seek Second Term as Schools Chief" .Idaho Education News . RetrievedDecember 11, 2016 . ^ TEGNA."Wilder schools superintendent to run for state post" .KTVB . RetrievedApril 29, 2017 . ^ "Our Campaigns - ID Superintendent of Public Instruction Race - Nov 06, 2018" .www.ourcampaigns.com . RetrievedDecember 2, 2022 .Official Lieutenant Governor campaign websites
Official Attorney General campaign websites
Official Secretary of State campaign websites
Official Treasurer campaign websites
Official Controller campaign websites
Official Superintendent of Public Instruction campaign websites
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