2004 general · November 2, 2004
2004 Washington State Senate election results, district by district
Every Washington State Senate district in the 2004 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 49 seats
After the electionD 26 · R 23
Races28
Changed party0
Unopposed14%4 races
Incumbents defeated2
Every district
D 15 · R 13
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Rosemary McAuliffe (D) | 13.9 | |
| LD-2 | Marilyn Rasmussen (D) | 5.5 | |
| LD-3 | Lisa J. Brown (D) | 24.7 | |
| LD-4 | Bob McCaslin (R) | 19.0 | |
| LD-5 | Cheryl A. Pflug (R) | 17.8 | |
| LD-6 | Brad Benson (R) | 1.8 | |
| LD-8 | Jerome Delvin (R) | 41.4 | |
| LD-9 | Mark Schoesler (R) | 32.4 | |
| LD-10 | Mary Margaret Haugen (D) | 3.2 | |
| LD-11 | Margarita Prentice (D) | 37.1 | |
| LD-12 | Linda Evans Parlette (R) | Unopposed | |
| LD-14 | Alex Deccio (R) | 30.0 | |
| LD-16 | Mike Hewitt (R) | 33.7 | |
| LD-17 | Don Benton (R) | 12.1 | |
| LD-18 | Joseph Zarelli (R) | 7.7 | |
| LD-19 | Mark L. Doumit (D) | Unopposed | |
| LD-20 | Dan Swecker (R) | 29.5 | |
| LD-22 | Karen Fraser (D) | Unopposed | |
| LD-23 | Phil Rockefeller (D) | 16.7 | |
| LD-24 | Jim Hargrove (D) | Unopposed | |
| LD-25 | Jim Kastama (D) | 8.7 | |
| LD-27 | Debbie Regala (D) | 39.9 | |
| LD-28 | Mike Carrell (R) | 4.7 | |
| LD-38 | Jean L. Berkey (D) | 30.7 | |
| LD-39 | Val Stevens (R) | 8.4 | |
| LD-40 | Harriet A. Spanel (D) | 23.0 | |
| LD-41 | Brian D. Weinstein (D) | 3.9 | Incumbent lost |
| LD-49 | Craig Pridemore (D) | 1.3 | Incumbent lost |
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