2016Final results
2016 election for U.S. Senate in Oregon
U.S. Senate · Oregon
Ron Wyden (D) won with 56.6% of the vote, defeating Mark Callahan (R) by 23.3 points.
Ron WydenDemocrat · winner
56.6%1,105,119
Mark CallahanRepublican
33.3%651,106
Shanti S. LewallenWorking Families
3.2%61,915
Steven C. ReynoldsIndependent
3.0%59,516
Eric NavickasGreen
2.5%48,823
Jim LindsayLibertarian
1.2%23,941
1,952,477 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.
Ron WydenMark Callahan
$8.7M
Raised by the campaign
$34.8K
$7.6M
Spent by the campaign
$30.6K
$3.4M
Cash on hand
$2.3K
Other candidates' campaigns: Shanti S. Lewallen $8.6K.
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016
The candidates
Ron Wyden (D)Mark Callahan (R)
Also on the ballot: Shanti S. Lewallen (Working Families), 3.2%; Steven C. Reynolds (Independent), 3.0%; Eric Navickas (Green), 2.5%; Jim Lindsay (Libertarian), 1.2%