2010Final results

2010 election for U.S. Senate in Washington

Name: 2010 election for U.S. Senate in Washington
Start: 2010-11-02
Location: Washington

U.S. Senate · Washington

Patty Murray (D) won with 52.4% of the vote, defeating Dino Rossi (R) by 4.7 points.

Patty MurrayDemocrat · winner

52.4%1,314,930

47.6%1,196,164

2,511,094 votes

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

The seat over time

D − R margin in this seat's races around 2010

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

Each line compares the two campaigns on one scale.

Patty MurrayDino Rossi

$12.8M

Raised by the campaign

$9.7M

$14.9M

Spent by the campaign

$9.6M

$407.6K

Cash on hand

$98.6K

Campaign money: FEC, through Dec 31, 2010.

Source: FEC campaign filingsUpdated Dec 31, 2010