2018 general · November 6, 2018
2018 Washington U.S. House election results, district by district
Washington's U.S. House races in the 2018 general election: winners, margins, unopposed seats and seats that changed party.
Races10
Changed party1
Unopposed0%0 races
Every district
D 7 · R 3
| Race | Winner | Won by | Notes |
|---|---|---|---|
| WA-1 | Suzan DelBene (D) | 18.5 | |
| WA-2 | Rick Larsen (D) | 42.6 | |
| WA-3 | Jaime Herrera Beutler (R) | 5.4 | |
| WA-4 | Dan Newhouse (R) | 25.6 | |
| WA-5 | Cathy McMorris Rodgers (R) | 9.5 | |
| WA-6 | Derek Kilmer (D) | 27.8 | |
| WA-7 | Pramila Jayapal (D) | 66.9 | |
| WA-8 | Kim Schrier (D) | 4.8 | Flipped |
| WA-9 | Adam Smith (D) | 34.7 | |
| WA-10 | Denny Heck (D) | 23.1 |
Washington
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