VotePredictor
past elections

South Dakota Governor

Jack Billion (D) vs M. Michael Rounds (R)

Actual result
R+25.6
Final polls said
R+22.0
1 late poll · ✓
Model predicted
R+22.0
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
1Mason-Dixon Polling & StrategyR+22.03.6
2VotePredictorR+22.03.6

Polls (1)

PollsterDatenPollMiss
Mason-Dixon Polling & Strategy2006-10-25800R+22.04