2016Flipped from DemocraticFinal resultsSpecial election
2016 special election for Oregon Senate District 3
Oregon State Senate · Oregon
Alan DeBoer (R) won with 50.2% of the vote, defeating Tonia Moro (D) by 0.6 points, a seat Democrats won last time.
Alan DeBoerRepublican · winner
50.2%32,980
Tonia MoroDemocrat
49.6%32,585
65,712 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET