VotePredictor
past elections

South Dakota Governor

Billie H. Sutton (D) vs Kristi Noem (R)

Actual result
R+3.4
Final polls said
D+0.5
4 late polls · ✗
Model predicted
R+3.5
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
1VotePredictorR+3.50.1
2Mason-Dixon Polling & StrategyR+3.00.4
3Emerson CollegeR+1.02.4
4Impact ResearchD+3.06.4
5Change ResearchD+6.09.4

Polls (5)

PollsterDatenPollMiss
Change Research2018-11-03851D+6.09
Emerson College2018-11-03514R+1.02
Mason-Dixon Polling & Strategy2018-10-30500R+3.00
Mason-Dixon Polling & Strategy2018-10-20500EVEN3
Impact Research2018-09-22500D+3.06