2020Final results
2020 election for Washington Legislative District 21-1
Washington House of Representatives · Washington
Strom Peterson (D) won re-election with 64.6% of the vote, defeating Brian Thompson (R) by 29.3 points.
Strom PetersonDemocrat · winner · incumbent
64.6%50,793
Brian ThompsonRepublican
35.4%27,801
78,594 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)