VotePredictor
past elections

Illinois House

Cheri Bustos (D) vs Robert Schilling (R)

Actual result
D+6.6
Final polls said
EVEN
2 late polls · ✗
Model predicted
R+4.0
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
1GBAOD+4.02.6
2Impact ResearchD+1.05.6
3We Ask AmericaR+4.010.6
4VotePredictorR+4.010.6
5Public Opinion StrategiesR+7.013.6

Polls (6)

PollsterDatenPollMiss
We Ask America2012-10-281325R+4.011
GBAO2012-10-17450D+4.03
Public Opinion Strategies2012-10-14400R+7.014
We Ask America2012-10-091183EVEN7
Impact Research2012-10-03400D+1.06
GBAO2012-09-25600R+2.09