2004Final results
2004 election for Washington Legislative District 18
Washington State Senate · Washington
Joseph Zarelli (R) won with 53.8% of the vote, defeating David L. Seabrook (D) by 7.7 points.
Joseph ZarelliRepublican · winner · incumbent
53.8%34,706
David L. SeabrookDemocrat
46.2%29,745
64,451 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2004
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET