| House District 1 | Thomas Peterson (Republican, incumbent) | 69.6% | Chris Reid (Democratic) 21.4% | 5,741 |
| House District 2 | Mike Petersen (Republican) | 60.7% | Barbara J. Haggerty (Democratic) 39.3% | 2,009 |
| House District 3 | Patrick Belmont (Unaffiliated) | 58.8% | Jason E. Thompson (Republican, incumbent) 41.2% | 1,348 |
| House District 4 | Zane Woolstenhulme (Democratic) | 51.8% | Tiara Auxier (Republican, incumbent) 48.2% | 326 |
| House District 5 | Casey Snider (Republican, incumbent) | 63.0% | Kendra Penry (Democratic) 37.0% | 2,642 |
| House District 6 | Rob Bishop (Republican, incumbent) | 68.4% | James Rich (Forward) 31.6% | 4,216 |
| House District 7 | Ryan D. Wilcox (Republican, incumbent) | 52.1% | Bianca Mittendorf (Democratic) 47.9% | 416 |
| House District 8 | Kim James (Democratic) | 50.2% | Jason B Kyle (Republican, incumbent) 46.0% | 497 |
| House District 9 | Angela Choberka (Democratic) | 53.7% | Jake Sawyer (Republican, incumbent) 46.3% | 636 |
| House District 10 | Rosemary T Lesser (Democratic) | 62.9% | Jim Alvey (Republican) 37.1% | 2,329 |
| House District 11 | Katy Hall (Republican, incumbent) | 50.5% | Dave Calder (Democratic) 49.5% | 96 |
| House District 12 | Mike Schultz (Republican, incumbent) | 56.7% | Anna Graff (Democratic) 43.3% | 1,398 |
| House District 13 | Erik R. Craythorne (Republican) | 52.7% | Jeffrey Anderson (Democratic) 40.7% | 1,133 |
| House District 14 | John Taylor (Republican) | 54.4% | Brandon Young (Democratic) 45.6% | 772 |
| House District 15 | Ariel Defay (Republican, incumbent) | 59.9% | Anne Berbert (Democratic) 40.1% | 2,034 |
| House District 16 | Bob J Stevenson (Republican) | 51.0% | Abigail Treasure (Democratic) 49.0% | 192 |
| House District 17 | Lili Bitner (Republican) | 58.1% | Eric Last (Democratic) 41.9% | 1,744 |
| House District 18 | Paul Cutler (Republican, incumbent) | 58.5% | Scott Troxel (Democratic) 41.5% | 1,903 |
| House District 19 | Raymond P. Ward (Republican, incumbent) | Unopposed | — | — |
| House District 20 | Phil Graves (Democratic) | 52.0% | Melissa Ballard (Republican, incumbent) 48.0% | 358 |
| House District 21 | Stephen Otterstrom (Democratic) | Unopposed | — | — |
| House District 22 | Jen Dailey-provost (Democratic) | 87.4% | Char Varga (Republican) 12.6% | 8,669 |
| House District 23 | Hoang Nguyen (Democratic, incumbent) | 82.8% | Franklin D. Robinson (Republican) 15.0% | 10,393 |
| House District 24 | Grant Amjad Miller (Democratic, incumbent) | 89.7% | Braeden J. Oswald (Republican) 10.3% | 8,756 |
| House District 25 | Angela Romero (Democratic, incumbent) | 77.4% | Richard T Nowak (Republican) 22.6% | 2,719 |
| House District 26 | Michael E Finch (Democratic) | 66.1% | Matt Macpherson (Republican, incumbent) 33.9% | 2,378 |
| House District 27 | Liz Oates (Democratic) | 63.8% | Anthony Loubet (Republican, incumbent) 36.2% | 2,057 |
| House District 28 | Nicholeen Peck (Republican, incumbent) | 52.8% | Anita Dalrymple (Democratic) 39.9% | 1,058 |
| House District 29 | Sheldon Birch (Republican) | 67.3% | Sara Snow (Democratic) 23.9% | 4,163 |
| House District 30 | Jake Fitisemanu (Democratic, incumbent) | 65.5% | Dave Parke (Republican) 34.5% | 2,438 |
| House District 31 | Verona Mauga (Democratic, incumbent) | 70.1% | Melody Jones (Republican) 29.9% | 2,697 |
| House District 32 | Sahara Hayes (Democratic, incumbent) | 82.8% | Aileen Hampton (Republican) 17.2% | 6,294 |
| House District 33 | Doug Owens (Democratic, incumbent) | 78.0% | Anna Reeves (Republican) 22.0% | 8,240 |
| House District 34 | Julie Jackson (Democratic) | Unopposed | — | — |
| House District 35 | Rosalba Dominguez (Democratic, incumbent) | 66.9% | Monique I. Ketcham (Republican) 33.1% | 3,330 |
| House District 36 | Blake Townsend (Democratic) | 54.7% | Jim Dunnigan (Republican) 45.3% | 946 |
| House District 37 | Ashlee Matthews (Democratic, incumbent) | 65.5% | Casey Saxton (Republican) 34.5% | 2,008 |
| House District 38 | Sergio Sotelo (Unaffiliated) | 57.8% | Chris McConnehey (Republican) 42.2% | 1,099 |
| House District 39 | Drew Howells (Democratic) | 60.1% | Ken Ivory (Republican, incumbent) 39.9% | 1,705 |
| House District 40 | Andrew Stoddard (Democratic, incumbent) | Unopposed | — | — |
| House District 41 | John Arthur (Democratic, incumbent) | 67.9% | Darren Croft (Republican) 32.1% | 5,147 |
| House District 42 | Iva Williams (Democratic) | 55.7% | Clint Okerlund (Republican) 44.3% | 1,599 |
| House District 43 | Ofa Matagi (Democratic) | 56.3% | Steve Eliason (Republican, incumbent) 43.7% | 1,343 |
| House District 44 | Jess Birtcher (Democratic) | 54.1% | Jordan Teuscher (Republican, incumbent) 45.9% | 892 |
| House District 45 | Tracy Miller (Republican, incumbent) | 52.1% | Rod Moser (Democratic) 47.9% | 434 |
| House District 46 | Cal Roberts (Republican) | 52.9% | Braxten Rutherford (Democratic) 47.1% | 536 |
| House District 47 | Mark A. Strong (Republican, incumbent) | Unopposed | — | — |
| House District 48 | Benyde Walker (Democratic) | 52.0% | Jake Hunsaker (Republican) 48.0% | 374 |
| House District 49 | Candice B. Pierucci (Republican, incumbent) | 51.4% | Lillian Bowles (Democratic) 48.6% | 219 |
| House District 50 | Stephanie Gricius (Republican, incumbent) | 56.8% | Kristin Meyer (Democratic) 43.2% | 816 |
| House District 51 | Leah Hansen (Republican, incumbent) | 53.4% | Brett Nielsen (Democratic) 46.6% | 517 |
| House District 52 | Cory Maloy (Republican, incumbent) | 51.8% | Nicole Melling (Democratic) 47.1% | 321 |
| House District 53 | Kay J. Christofferson (Republican, incumbent) | 51.6% | John Boyd (Forward) 31.3% | 1,506 |
| House District 54 | Kristen S. Chevrier (Republican, incumbent) | 65.8% | Kristina Robinson (Democratic) 34.2% | 2,753 |
| House District 55 | Jon Hawkins (Republican, incumbent) | 62.8% | Travis Hysell (Democratic) 37.2% | 1,970 |
| House District 56 | Val L. Peterson (Republican, incumbent) | 55.3% | Natassja Grossman (Democratic) 44.7% | 604 |
| House District 57 | Nelson Abbott (Republican, incumbent) | 80.8% | Write-in (—) 19.2% | 3,157 |
| House District 58 | David Shallenberger (Republican, incumbent) | 61.7% | Karli Black (Democratic) 38.3% | 2,168 |
| House District 59 | Celeste T. Johnson (Democratic) | 50.1% | Luke Searle (Republican) 49.9% | 25 |
| House District 60 | Grant Pace (Republican, incumbent) | Unopposed | — | — |
| House District 61 | Lisa Shepherd (Republican, incumbent) | 49.5% | Alan Jimenez (Democratic) 47.3% | 125 |
| House District 62 | David Chappell (Democratic) | 55.4% | Norm Thurston (Republican) 44.6% | 563 |
| House District 63 | Stephen L. Whyte (Republican, incumbent) | 63.7% | Mark Youngquist (Democratic) 27.6% | 3,107 |
| House District 64 | Jackie Larson (Republican, incumbent) | 62.2% | Alan Wessman (Unaffiliated) 37.8% | 1,869 |
| House District 65 | Doug Welton (Republican, incumbent) | Unopposed | — | — |
| House District 66 | Troy Shelley (Republican, incumbent) | 73.0% | Breanne Mashek (Democratic) 17.8% | 5,246 |
| House District 67 | Jr Bird (Republican) | 74.9% | Carl Ingwell (Democratic) 25.1% | 5,224 |
| House District 68 | Scott H Chew (Republican, incumbent) | 84.5% | Sonya Ray (Constitution) 15.5% | 7,331 |
| House District 69 | Logan J. Monson (Republican, incumbent) | 59.2% | Tracie Yellowman Tso (Democratic) 40.8% | 2,275 |
| House District 70 | Carl R. Albrecht (Republican, incumbent) | 82.6% | Stacey D. Pendergraft (Democratic) 15.3% | 7,654 |
| House District 71 | Rex P Shipp (Republican, incumbent) | 69.2% | Thomas Loveheart (Democratic) 30.8% | 3,905 |
| House District 72 | Joseph Elison (Republican, incumbent) | 68.1% | Eva M Weldon (Democratic) 27.2% | 4,856 |
| House District 73 | Colin W. Jack (Republican, incumbent) | 68.7% | Glenn D Webb (Democratic) 31.3% | 3,481 |
| House District 74 | R. Neil Walter (Republican, incumbent) | 64.9% | Jeffrey N Lipe (Democratic) 35.1% | 3,802 |
| House District 75 | Walt Brooks (Republican, incumbent) | 69.2% | Rebecca Winsor (Democratic) 30.8% | 3,481 |