1998 general · November 3, 1998
1998 Oregon State Senate election results, district by district
Every Oregon State Senate district in the 1998 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Republicans controlled the chamber · 30 seats
After the electionD 13 · R 17
Races15
Changed party3
Unopposed20%3 races
Incumbents defeated0
Every district
D 9 · R 6
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Joan Dukes (D) | 69.0 | |
| SD-3 | Tom Hartung (R) | 7.1 | |
| SD-5 | Charles Starr (R) | Unopposed | |
| SD-9 | Frank Shields (D) | Unopposed | |
| SD-12 | Verne A. Duncan (R) | 15.8 | |
| SD-13 | Randy Miller (R) | 18.5 | |
| SD-14 | Rick Metsger (D) | 12.8 | Flipped |
| SD-16 | Gene Derfler (R) | 19.6 | |
| SD-17 | Peter Courtney (D) | 14.2 | Flipped |
| SD-18 | Clifford W. Trow (D) | 16.3 | |
| SD-19 | Mae Yih (D) | 25.6 | |
| SD-20 | Susan Castillo (D) | 58.9 | |
| SD-21 | Lee Beyer (D) | 34.7 | |
| SD-22 | Tony Corcoran (D) | 3.8 | Flipped |
| SD-26 | Lenn Hannon (R) | Unopposed |
Oregon 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