VotePredictor
past elections

South Dakota House

Collin Duprel (D) vs Dusty Johnson (R)

Actual result
D+54.8
Final polls said
D+43.0
1 late poll · ✓
Model predicted
D+34.7
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
1Emerson CollegeD+43.011.8
2VotePredictorD+34.720.2

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1VotePredictorDem 100%0.000
2CNalysisRep 99%0.980
3Cook PoliticalRep 99%0.980
4Elections DailyRep 99%0.980
5Fox NewsRep 99%0.980
6Inside ElectionsRep 99%0.980
7Race to the WHRep 99%0.980
8RealClearPoliticsRep 99%0.980
9Sabato's Crystal BallRep 99%0.980
10Split TicketRep 99%0.980
11DDHQ/Decision DeskRep 100%1.000
12The EconomistRep 100%1.000
13FiveThirtyEightRep 100%1.000
14JHK ForecastsRep 100%1.000

Polls (1)

PollsterDatenPollMiss
Emerson College2022-10-201500D+43.012