VotePredictor
past elections

Oregon Senate

Jeff Merkley (D) vs Jo Rae Perkins (R)

Actual result
D+17.6
Final polls said
D+20.0
1 late poll · ✓
Model predicted
D+24.6
Winner
Dem

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1CiviqsD+20.02.4
2VotePredictorD+24.67.0

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1CNalysisDem 99%0.000
2Cook PoliticalDem 99%0.000
3DDHQ/Decision DeskDem 100%0.000
4The EconomistDem 100%0.000
5Elections DailyDem 99%0.000
6FiveThirtyEightDem 99%0.000
7Inside ElectionsDem 99%0.000
8JHK ForecastsDem 100%0.000
9Princeton Election ConsortiumDem 100%0.000
10Race to the WHDem 100%0.000
11RealClearPoliticsDem 99%0.000
12Sabato's Crystal BallDem 99%0.000
13VotePredictorDem 100%0.000

Polls (1)

PollsterDatenPollMiss
Civiqs2020-09-28944D+20.02