2014Final results
2014 election for Washington's 10th District
U.S. House · Washington
Denny Heck (D) won with 54.7% of the vote, defeating Joyce McDonald (R) by 9.4 points.
Denny HeckDemocrat · winner
54.7%99,279
Joyce McDonaldRepublican
45.3%82,213
181,492 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 2014
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 HeckJoyce McDonald
$1.9M
Raised by the campaign
$91.8K
$1.7M
Spent by the campaign
$91.3K
$212.6K
Cash on hand
$458
Campaign money: FEC, through Dec 31, 2014.
Source: FEC campaign filingsUpdated Dec 31, 2014