2018Final results
2018 election for Oregon Senate District 11
Oregon State Senate · Oregon
Peter Courtney (D) won with 60.5% of the vote, defeating Greg Warnock (R) by 21.3 points.
Peter CourtneyDemocrat · winner · incumbent
60.5%22,772
Greg WarnockRepublican
39.2%14,760
37,651 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