2018 general · November 6, 2018
2018 Washington State Senate election results, district by district
Every Washington State Senate district in the 2018 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 49 seats
After the electionD 29 · R 20
Races25
Changed party4
Unopposed4%1 races
Incumbents defeated3
Every district
D 17 · R 8
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-6 | Jeff Holy (R) | 9.7 | |
| LD-7 | Shelly Short (R) | 38.0 | |
| LD-8 | Sharon Brown (R) | 35.1 | |
| LD-13 | Judy Warnick (R) | Unopposed | |
| LD-15 | Jim Honeyford (R) | 21.1 | |
| LD-21 | Marko Liias (D) | 26.3 | |
| LD-26 | Emily Randall (D) | 0.1 | Flipped |
| LD-29 | Steve Conway (D) | 26.1 | |
| LD-30 | Claire Wilson (D) | 8.5 | FlippedIncumbent lost |
| LD-31 | Phil Fortunato (R) | 19.8 | |
| LD-32 | Jesse Salomon (D) | 37.9 | Incumbent lost |
| LD-33 | Karen Keiser (D) | 43.5 | |
| LD-34 | Joe Nguyen (D) | 16.3 | |
| LD-35 | Tim Sheldon (D) | 4.1 | |
| LD-36 | Reuven Carlyle (D) | 77.9 | |
| LD-37 | Rebecca Saldaña (D) | 77.9 | |
| LD-38 | John McCoy (D) | 19.6 | |
| LD-39 | Keith Wagoner (R) | 17.9 | |
| LD-42 | Doug Ericksen (R) | 0.1 | |
| LD-43 | Jamie Pedersen (D) | 80.8 | |
| LD-44 | Steve Hobbs (D) | 12.2 | |
| LD-45 | Manka Dhingra (D) | 26.8 | Flipped |
| LD-46 | David Frockt (D) | 64.9 | |
| LD-47 | Mona Das (D) | 1.8 | FlippedIncumbent lost |
| LD-48 | Patty Kuderer (D) | 29.6 |
Washington State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab