2018Final results
2018 election for Washington's 4th District
U.S. House · Washington
Dan Newhouse (R) won with 62.8% of the vote, defeating Christine Brown (D) by 25.6 points.
Dan NewhouseRepublican · winner
62.8%140,877
Christine BrownDemocrat
37.2%83,538
224,415 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Christine BrownDan Newhouse
$475.9K
Raised by the campaign
$1.2M
$467.4K
Spent by the campaign
$1.1M
$8.5K
Cash on hand
$117.4K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018