2010Flipped from DemocraticFinal results
2010 election for Washington's 3rd District
U.S. House · Washington
Jaime Herrera (R) won with 53.0% of the vote, defeating Denny Heck (D) by 5.9 points, a seat Democrats won last time.
Jaime HerreraRepublican · winner
53.0%152,799
Denny HeckDemocrat
47.0%135,654
288,453 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.
Denny HeckJaime Herrera
$2M
Raised by the campaign
$1.6M
$2M
Spent by the campaign
$1.5M
$22.5K
Cash on hand
$22.6K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010