VotePredictor
past elections

South Dakota House

Corinna Balderramos Robinson (D) vs Kristi Noem (R)

Actual result
R+33.1
Final polls said
R+21.3
3 late polls · ✓
Model predicted
R+21.9
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
1Monmouth University Polling InstituteR+27.06.1
2VotePredictorR+21.911.1
3Mason-Dixon Polling & StrategyR+21.012.1
4Nielson Brothers PollingR+18.015.1
5SurveyUSAR+16.017.1

Polls (6)

PollsterDatenPollMiss
Monmouth University Polling Institute2014-10-26429R+27.06
SurveyUSA2014-10-23611R+16.017
Mason-Dixon Polling & Strategy2014-10-22800R+21.012
SurveyUSA2014-10-03616R+18.015
Nielson Brothers Polling2014-09-23615R+18.015
SurveyUSA2014-09-05510R+13.020