2016Final results
2016 election for Washington's 4th District
U.S. House · Washington
Dan Newhouse (R) won with 57.7% of the vote, defeating Clint Didier (R) by 15.4 points.
Dan NewhouseRepublican · winner
57.7%132,154
Clint DidierRepublican
42.3%96,848
229,002 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
Money in this race
Each line compares the two campaigns on one scale.
No DemocratDan Newhouse
—
Raised by the campaign
$1.3M
—
Spent by the campaign
$1.3M
—
Cash on hand
$39.5K
Other candidates' campaigns: Clint Didier $75.4K.
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016