2010Final results
2010 election for Washington Legislative District 21-1
Washington House of Representatives · Washington
Mary Helen Roberts (D) won re-election with 56.3% of the vote, defeating Ed Borey (R) by 12.7 points.
Mary Helen RobertsDemocrat · winner · incumbent
56.3%26,612
Ed BoreyRepublican
43.7%20,633
47,245 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 2010
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)