2018 general · November 6, 2018
2018 Oregon election results
Every race on Oregon's ballot in the 2018 general election: winners, margins and seats that changed party.
Races83
Changed party4
Unopposed20%17 races
Incumbents defeated2
Governors
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Oregon | Kate Brown (D) | 6.3 |
U.S. House
D 4 · R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| OR-1 | Suzanne Bonamici (D) | 31.6 | |
| OR-2 | Greg Walden (R) | 16.9 | |
| OR-3 | Earl Blumenauer (D) | 52.8 | |
| OR-4 | Peter A. DeFazio (D) | 15.1 | |
| OR-5 | Kurt Schrader (D) | 13.0 |
Oregon State Senate
D 11 · R 6 · 1 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Dallas Heard (R) | 28.7 | |
| SD-3 | Jeff Golden (D) | 10.4 | |
| SD-4 | Floyd Prozanski (D) | 20.8 | |
| SD-6 | Lee Beyer (D) | 18.4 | |
| SD-7 | James Manning (D) | Unopposed | |
| SD-8 | Sara Gelser Blouin (D) | 28.4 | |
| SD-10 | Jackie Winters (R) | 8.0 | |
| SD-11 | Peter Courtney (D) | 21.3 | |
| SD-13 | Kim Thatcher (R) | 12.0 | |
| SD-15 | Chuck Riley (D) | 18.7 | |
| SD-16 | Betsy Johnson (D) | 65.0 | |
| SD-17 | Elizabeth Steinerhayward (D) | Unopposed | |
| SD-19 | Rob Wagner (D) | 31.2 | Flipped |
| SD-20 | Alan R. Olsen (R) | 5.8 | |
| SD-24 | Shemia Fagan (D) | Unopposed | |
| SD-26 | Chuck Thomsen (R) | 0.4 | |
| SD-30 | Cliff Bentz (R) | 43.6 |
Oregon House of Representatives
D 38 · R 22 · 3 changed party
Oregon
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