2010Final results
2010 election for Washington's 2nd District
U.S. House · Washington
Rick Larsen (D) won with 51.1% of the vote, defeating John Koster (R) by 2.1 points.
Rick LarsenDemocrat · winner
51.1%155,241
John KosterRepublican
48.9%148,722
303,963 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
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Rick LarsenJohn Koster
$2M
Raised by the campaign
$1.1M
$2.1M
Spent by the campaign
$1.1M
$213.7K
Cash on hand
$11K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010