2022Final results
2022 election for Washington Legislative District 21
Washington State Senate · Washington
Marko Liias (D) won with 63.2% of the vote, defeating Janelle Cass (R) by 26.6 points.
Marko LiiasDemocrat · winner · incumbent
63.2%36,363
Janelle CassRepublican
36.6%21,069
57,492 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET