2018 general · November 6, 2018
2018 Idaho House of Representatives election results, district by district
Every Idaho House of Representatives district in the 2018 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Republicans controlled the chamber · 70 seats
After the electionD 14 · R 56
Races35
Changed party0
Unopposed23%8 races
Incumbents defeated3
Every district
D 14 · R 56
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Sage G. Dixon · Heather Scott (R) | 13.5 | |
| LD-2 | John Green · Vito Barbieri (R) | 22.5 | |
| LD-3 | Ron Mendive · Tony Wisniewski (R) | 22.7 | |
| LD-4 | Paul Amador · Jim Addis (R) | 6.7 | |
| LD-5 | Caroline Nilssontroy · Bill Goesling (R) | 1.0 | |
| LD-6 | Mike Kingsley · Thyra K. Stevenson (R) | 8.2 | |
| LD-7 | Paul E. Shepherd · Priscilla Giddings (R) | Unopposed | |
| LD-8 | Dorothy Moon · Terry F. Gestrin (R) | 22.2 | |
| LD-9 | Ryan Kerby · Judy Boyle (R) | 24.9 | |
| LD-10 | Jarom Wagoner · Greg Chaney (R) | 9.3 | |
| LD-11 | Scott Syme · Tammy Nichols (R) | 29.5 | |
| LD-12 | Rick D. Youngblood · Robert Anderst (R) | 15.3 | |
| LD-13 | Brent Crane · Gary E. Collins (R) | 17.4 | |
| LD-14 | Gayann Demordaunt · Mike Moyle (R) | 18.4 | |
| LD-15 | Steve Berch · Jake Ellis (D) | 0.9 | Incumbent lost |
| LD-16 | Rob Mason · John McCrostie (D) | 11.9 | |
| LD-17 | Sue Chew · John Gannon (D) | 19.7 | |
| LD-18 | Ilana Rubel · Brooke Green (D) | 14.1 | |
| LD-19 | Melissa Wintrow · Mathew Erpelding (D) | 25.7 | |
| LD-20 | James Holtzclaw · Joe Palmer (R) | 32.7 | |
| LD-21 | Thomas E. Dayley · Steven C. Harris (R) | 12.0 | |
| LD-22 | John Vander Woude · Jason Monks (R) | Unopposed | |
| LD-23 | Christy Zito · Megan C. Blanksma (R) | Unopposed | |
| LD-24 | Lance Clow · Linda Wright Hartgen (R) | 11.4 | |
| LD-25 | Laurie Lickley · Clark Kauffman (R) | Unopposed | |
| LD-26 | Sally Toone · Muffy Davis (D) | 6.3 | Incumbent lost |
| LD-27 | Fred Wood · Scott Bedke (R) | Unopposed | |
| LD-28 | Kevin Andrus · Randy Armstrong (R) | 13.7 | |
| LD-29 | Elaine Smith · Chris Abernathy (D) | 1.2 | Incumbent lost |
| LD-30 | Wendy Horman · Gary L. Marshall (R) | 25.2 | |
| LD-31 | Neil A. Anderson · Julianne Young (R) | Unopposed | |
| LD-32 | Marc Gibbs · Chad Christensen (R) | Unopposed | |
| LD-33 | Bryan N. Zollinger · Barbara Ehardt (R) | 7.1 | |
| LD-34 | Doug Ricks · Britt Raybould (R) | Unopposed | |
| LD-35 | Jerald Raymond · Rod Furniss (R) | 35.7 |
Idaho House of Representatives
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: MIT Election Data and Science Lab