2018Flipped from RepublicanFinal resultsIncumbent defeated
2018 election for Washington Legislative District 47
Washington State Senate · Washington
Mona Das (D) won with 50.8% of the vote, defeating Joe Fain (R) by 1.8 points, a seat Republicans won last time.
Mona DasDemocrat · winner
50.8%28,394
Joe FainRepublican · incumbent
49.0%27,413
55,910 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET