2010 general · November 2, 2010
2010 Washington U.S. House election results, district by district
Washington's U.S. House races in the 2010 general election: winners, margins, unopposed seats and seats that changed party.
Races9
Changed party1
Unopposed0%0 races
Every district
D 5 · R 4
| Race | Winner | Won by | Notes |
|---|---|---|---|
| WA-1 | Jay Inslee (D) | 15.3 | |
| WA-2 | Rick Larsen (D) | 2.1 | |
| WA-3 | Jaime Herrera (R) | 5.9 | Flipped |
| WA-4 | Doc Hastings (R) | 35.3 | |
| WA-5 | Cathy McMorris (R) | 27.3 | |
| WA-6 | Norman D. Dicks (D) | 16.1 | |
| WA-7 | Jim McDermott (D) | 65.9 | |
| WA-8 | David G. Reichert (R) | 4.1 | |
| WA-9 | Adam Smith (D) | 9.7 |
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