VotePredictor
past elections

South Dakota Governor

Scott N. Heidepriem (D) vs Dennis M. Daugaard (R)

Actual result
R+23.0
Final polls said
R+13.7
3 late polls · ✓
Model predicted
R+13.1
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
1Scott Rasmussen (Rasmussen Reports)R+19.04.0
2Mason-Dixon Polling & StrategyR+19.04.0
3VotePredictorR+13.19.9
4Nielson Brothers PollingR+3.020.0

Polls (5)

PollsterDatenPollMiss
Nielson Brothers Polling2010-10-21679R+3.020
Scott Rasmussen (Rasmussen Reports)2010-10-20500R+19.04
Mason-Dixon Polling & Strategy2010-10-20800R+19.04
Scott Rasmussen (Rasmussen Reports)2010-10-04500R+24.01
Scott Rasmussen (Rasmussen Reports)2010-09-08500R+29.06