2018Final results
2018 election for Oregon's 4th District
U.S. House · Oregon
Peter A. DeFazio (D) won with 56.0% of the vote, defeating Art Robinson (R) by 15.1 points.
Peter A. DeFazioDemocrat · winner
56.0%208,710
Art RobinsonRepublican
40.9%152,414
Mike BeilsteinGreen
1.6%5,956
Richard R. JacobsonLibertarian
1.4%5,370
372,893 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.
Peter A. DeFazioArt Robinson
$1.8M
Raised by the campaign
$204.9K
$1.4M
Spent by the campaign
$168.3K
$1.1M
Cash on hand
$46.6K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018
The candidates
Peter A. DeFazio (D)Art Robinson (R)
Also on the ballot: Mike Beilstein (Green), 1.6%; Richard R. Jacobson (Libertarian), 1.4%