| House 1 | Jeremy Taylor (R) 53.65% | David Alan Dawson (D) 46.35% | Flipped D to R |
| House 2 | Chris Hall (D) 54.42% | Cate Bryan (R) 45.58% | |
| House 3 | Chuck Soderberg (R) 100% | Unopposed | |
| House 4 | Dwayne Alons (R) 100% | Unopposed | |
| House 5 | Royd E. Chambers (R) 100% | Unopposed | |
| House 6 | Jeff Smith (R) 100% | Unopposed | |
| House 7 | John Wittneben (D) 50.16% | Lannie Miller (R) 49.84% | |
| House 8 | Tom W. Shaw (R) 66.06% | Susan G. Bangert (D) 33.94% | Flipped D to R |
| House 9 | Stewart Iverson Jr. (R) 53.38% | McKinley D. Bailey (D) 46.62% | Flipped D to R; Incumbent defeated |
| House 10 | Dave Deyoe (R) 62.24% | Selden Spencer (D) 37.76% | |
| House 11 | Henry Vincent Rayhons (R) 65.04% | Ann Marie Fairchild (D) 34.96% | |
| House 12 | Linda Upmeyer (R) 100% | Unopposed | |
| House 13 | Sharon Steckman (D) 60.85% | Brian R. Randall (R) 39.15% | |
| House 14 | Josh Byrnes (R) 61% | Kurt Meyer (D) 39% | Flipped D to R |
| House 15 | Brian J. Quirk (D) 54.39% | Mike Klimesh (R) 45.61% | |
| House 16 | Bob Hager (R) 51.18% | John W. Beard (D) 48.82% | Flipped D to R; Incumbent defeated |
| House 17 | Pat Grassley (R) 100% | Unopposed | |
| House 18 | Andrew Wenthe (D) 50.16% | Roger Arthur (R) 49.84% | |
| House 19 | Bob Kressig (D) 52.36% | Darin Beck (R) 47.64% | |
| House 20 | Walt Rogers (R) 53.71% | Doris J. Kelley (D) 46.29% | Flipped D to R; Incumbent defeated |
| House 21 | Anesa Kajtazovic (D) 58.84% | John Rooff (R) 41.16% | |
| House 22 | Deborah L. Berry (D) 100% | Unopposed | |
| House 23 | Dan Rasmussen (R) 50.95% | Gene Ficken (D) 49.05% | Flipped D to R; Incumbent defeated |
| House 24 | Roger Thomas (D) 50.58% | Michael Breitbach (R) 49.42% | |
| House 25 | Brian S. Moore (R) 50.64% | Tom Schueller (D) 49.36% | Flipped D to R; Incumbent defeated |
| House 26 | Mary Wolfe (D) 52.31% | David A. Rose (R) 47.69% | |
| House 27 | Charles Isenhart (D) 64.14% | Hank Linden (R) 35.86% | |
| House 28 | Pat Murphy (D) 51.81% | Paul Kern (R) 48.19% | |
| House 29 | Nate Willems (D) 52.93% | Shawn Graham (R) 47.07% | |
| House 30 | Dave Jacoby (D) 79.49% | Dustin Krutsinger (R) 20.51% | |
| House 31 | Lee Hein (R) 53.62% | Ray Zirkelbach (D) 46.38% | Flipped D to R; Incumbent defeated |
| House 32 | Steven F. Lukan (R) 100% | Unopposed | |
| House 33 | Kirsten Running-Marquardt (D) 63.62% | Josh Thurston (R) 36.38% | |
| House 34 | Todd Taylor (D) 58.39% | Jim Burke (R) 41.61% | |
| House 35 | Kraig Paulsen (R) 100% | Unopposed | |
| House 36 | Nick Wagner (R) 100% | Unopposed | |
| House 37 | Renee Schulte (R) 54.26% | Mark J. Seidl (D) 45.74% | |
| House 38 | Tyler Olson (D) 83.5% | Jason M. Marshall (R) 16.5% | |
| House 39 | Dawn Pettengill (R) 100% | Unopposed | |
| House 40 | Lance Horbach (R) 100% | Unopposed | |
| House 41 | Dan Kelley (D) 51.2% | Gabriel Swersie (R) 48.8% | |
| House 42 | Kim Pearson (R) 48.62% | Geri D. Huser (D) 47.74%, Dan Nieland (D) 3.64% | Flipped D to R; Incumbent defeated |
| House 43 | Mark Smith (D) 51.53% | Jane A. Jech (R) 48.47% | |
| House 44 | Annette Sweeney (R) 68.16% | Mike Gerhart (D) 31.84% | |
| House 45 | Beth Wessel-Kroeschell (D) 56.47% | Karin Sevde (R) 43.53% | |
| House 46 | Lisa Heddens (D) 56.34% | Chad R. Steenhoek (R) 41.19%, Tyler Pauly (I) 2.46% | |
| House 47 | Ralph Watts (R) 67.1% | Roger Huston (D) 32.9% | |
| House 48 | Chip Baltimore (R) 50.11% | Donovan Olson (D) 49.89% | Flipped D to R; Incumbent defeated |
| House 49 | Helen Miller (D) 51.84% | Matt Alcazar (R) 48.16% | |
| House 50 | David Tjepkes (R) 100% | Unopposed | |
| House 51 | Dan Muhlbauer (D) 58.7% | Daniel D. Dirkx (R) 41.3% | Flipped R to D |
| House 52 | Gary Worthan (R) 73.64% | Danuta Hutchins (D) 26.36% | |
| House 53 | Daniel Huseman (R) 100% | Unopposed | |
| House 54 | Ron Jorgensen (R) 66.92% | Carlos Venable-Ridley (D) 33.08% | |
| House 55 | Jason Schultz (R) 100% | Unopposed | |
| House 56 | Matt Windschitl (R) 100% | Unopposed | |
| House 57 | Jack Drake (R) 100% | Unopposed | |
| House 58 | Clel Baudler (R) 78.82% | Dallas Ford (D) 21.18% | |
| House 59 | Chris Hagenow (R) 58.13% | Andrew McDowell (D) 41.87% | |
| House 60 | Peter Cownie (R) 64.17% | Alan R. Koslow (D) 35.83% | |
| House 61 | Jo Oldson (D) 65.02% | Darlene Blake (R) 34.98% | |
| House 62 | Bruce L. Hunter (D) 100% | Unopposed | |
| House 63 | Scott Raecker (R) 64.61% | John E. Sachs (D) 35.39% | |
| House 64 | Janet Petersen (D) 56.66% | Dan Kennedy (R) 30.72%, Vicki Stogdill (R) 12.62% | |
| House 65 | Ruth Ann Gaines (D) 67.45% | Gary L. Jordan (R) 32.55% | |
| House 66 | Ako Abdul-Samad (D) 100% | Unopposed | |
| House 67 | Kevin McCarthy (D) 59.87% | Jeremy L. Walters (R) 40.13% | |
| House 68 | Rick Olson (D) 63.46% | Dave Dicks (R) 36.54% | |
| House 69 | Erik Helland (R) 100% | Unopposed | |
| House 70 | Kevin Koester (R) 100% | Unopposed | |
| House 71 | Jim Van Engelenhoven (R) 69.48% | Pat VanZante (D) 30.52% | |
| House 72 | Richard D. Arnold (R) 67.31% | Deb Ballalatak (D) 32.69% | |
| House 73 | Julian Garrett (R) 64.53% | Tim Pierce (D) 35.47% | |
| House 74 | Glen H. Massie (R) 53.4% | Scott Ourth (D) 46.6% | |
| House 75 | Guy Vander Linden (R) 53.05% | Eric J. Palmer (D) 46.95% | Flipped D to R; Incumbent defeated |
| House 76 | Betty R. De Boef (R) 65.98% | Nathan Clubb (D) 34.02% | |
| House 77 | Mary Mascher (D) 100% | Unopposed | |
| House 78 | Vicki Lensing (D) 100% | Unopposed | |
| House 79 | Jeff Kaufmann (R) 72.52% | John E. Archer (D) 27.48% | |
| House 80 | Mark Lofgren (R) 57.62% | Nathan K. Reichert (D) 42.38% | Flipped D to R; Incumbent defeated |
| House 81 | Phyllis Thede (D) 51.1% | Carla Batchelor (R) 48.9% | |
| House 82 | Linda J. Miller (R) 100% | Unopposed | |
| House 83 | Steven N. Olson (R) 100% | Unopposed | |
| House 84 | Ross Paustian (R) 57.21% | Sheri L. Carnahan (D) 42.79% | Flipped D to R |
| House 85 | Jim Lykam (D) 100% | Unopposed | |
| House 86 | Cindy Winckler (D) 54.74% | Ray Ambrose (R) 45.26% | |
| House 87 | Thomas R. Sands (R) 100% | Unopposed | |
| House 88 | Dennis Cohoon (D) 58.64% | Dave Selmon (R) 41.36% | |
| House 89 | Jarad Klein (R) 53.88% | Larry K. Marek (D) 43.53%, David Arthur Smithers (I) 2.59% | Flipped D to R; Incumbent defeated |
| House 90 | Curt Hanson (D) 54.67% | Stephen Burgmeier (R) 45.33% | |
| House 91 | Dave Heaton (R) 67.66% | Ron Fedler (D) 32.34% | |
| House 92 | Jerry Kearns (D) 57.47% | Richard Gates (R) 42.53% | |
| House 93 | Mary Gaskill (D) 57.51% | Jane Hodoly (R) 42.49% | |
| House 94 | Kurt Swaim (D) 50.38% | James F. Johnson (R) 49.62% | |
| House 95 | Joel Fry (R) 56.68% | Michael J. Reasoner (D) 43.32% | Flipped D to R; Incumbent defeated |
| House 96 | Cecil Dolecheck (R) 100% | Unopposed | |
| House 97 | Richard Anderson (R) 100% | Unopposed | |
| House 98 | Greg Forristall (R) 100% | Unopposed | |
| House 99 | Mary Ann Hanusa (R) 55.3% | Kurt Hubler (D) 44.7% | |
| House 100 | Mark A. Brandenburg (R) 52.95% | Paul Shomshor (D) 47.05% | Flipped D to R; Incumbent defeated |
| Senate 1 | Rick Bertrand (R) 50.74% | Rick Mullin (D) 49.26% | Flipped D to R |
| Senate 3 | David Johnson (R) 100% | Unopposed | |
| Senate 5 | Robert Bacon (R) 54.06% | Rich Olive (D) 45.94% | Flipped D to R; Incumbent defeated |
| Senate 7 | Amanda Ragan (D) 60.43% | James Mills (R) 39.57% | |
| Senate 9 | Bill Dix (R) 57.86% | Bill Heckroth (D) 42.14% | Flipped D to R; Incumbent defeated |
| Senate 11 | Bill Dotzler (D) 63.06% | Ron Welper (R) 36.94% | |
| Senate 13 | Tod Bowman (D) 50.18% | Andrew Naeve (R) 49.82% | |
| Senate 15 | Robert E. Dvorsky (D) 74.68% | Christopher Peters (R) 25.32% | |
| Senate 17 | Wally E. Horn (D) 100% | Unopposed | |
| Senate 19 | Robert Hogg (D) 100% | Unopposed | |
| Senate 21 | Dennis H. Black (D) 52.31% | Joe Pirillo (R) 47.69% | |
| Senate 23 | Herman Quirmbach (D) 52.87% | Timothy L. Gartin (R) 47.13% | |
| Senate 25 | Daryl Beall (D) 54.24% | Chris McGonegle (R) 45.76% | |
| Senate 27 | Bill Anderson (R) 62.43% | Marty Pottebaum (D) 37.57% | |
| Senate 29 | Nancy Boettger (R) 100% | Unopposed | |
| Senate 31 | Matt McCoy (D) 65.46% | Dave Leach (R) 34.54% | |
| Senate 33 | Jack Hatch (D) 100% | Unopposed | |
| Senate 35 | Larry Noble (R) 100% | Unopposed | |
| Senate 37 | Kent Sorenson (R) 58.98% | Staci Appel (D) 41.02% | Flipped D to R; Incumbent defeated |
| Senate 39 | Joe Bolkcom (D) 100% | Unopposed | |
| Senate 41 | Roby Smith (R) 59.51% | Richard A. Clewell (D) 40.49% | |
| Senate 43 | Joe M. Seng (D) 62.29% | Mark J. Riley (R) 37.71% | |
| Senate 45 | Sandra Greiner (R) 50.73% | Becky Schmitz (D) 44.35%, Douglas William Philips (I) 4.92% | Flipped D to R; Incumbent defeated |
| Senate 47 | Mark Chelgren (R) 50.03% | Keith A. Kreiman (D) 49.97% | Flipped D to R; Incumbent defeated |
| Senate 49 | Hubert Houser (R) 73.98% | Scott Schondelmeyer (D) 26.02% | |