VotePredictor
past elections

South Dakota Senate

Brian L. Bengs (D) vs John R. Thune (R)

Actual result
R+43.5
Final polls said
R+31.0
1 late poll · ✓
Model predicted
R+29.9
Winner
Rep

"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
1Emerson CollegeR+31.012.5
2VotePredictorR+29.913.6
3South Dakota State University School of American and Global StudiesR+25.018.5
4Lake Research PartnersR+13.030.5

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1CNalysisRep 99%0.000
2Cook PoliticalRep 99%0.000
3DDHQ/Decision DeskRep 100%0.000
4The EconomistRep 100%0.000
5Elections DailyRep 99%0.000
6Fox NewsRep 99%0.000
7FiveThirtyEightRep 100%0.000
8Inside ElectionsRep 99%0.000
9JHK ForecastsRep 100%0.000
10Race to the WHRep 100%0.000
11RealClearPoliticsRep 99%0.000
12Sabato's Crystal BallRep 99%0.000
13Split TicketRep 99%0.000
14VotePredictorRep 100%0.000

Polls (3)

PollsterDatenPollMiss
Emerson College2022-10-201500R+31.012
South Dakota State University School of American and Global Studies2022-10-04565R+25.018
Lake Research Partners2022-09-08400R+13.030