2018Final results
2018 election for Washington Legislative District 31-2
Washington House of Representatives · Washington
Morgan Irwin (R) won with 58.5% of the vote, defeating Mark Boswell (D) by 17.1 points.
Morgan IrwinRepublican · winner
58.5%36,467
Mark BoswellDemocrat
41.5%25,839
62,306 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 2018
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET