2010Final results
2010 election for Washington Legislative District 31
Washington State Senate · Washington
Pam Roach (R) won with 66.7% of the vote, defeating Matt Richardson (R) by 33.4 points.
Pam RoachRepublican · winner · incumbent
66.7%29,374
Matt RichardsonRepublican
33.3%14,661
44,035 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
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET