VotePredictor
past elections

Illinois House

David M. Gill (D) vs Rodney Davis (R)

Actual result
R+0.3
Final polls said
D+2.0
2 late polls · ✗
Model predicted
R+0.3
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+0.30.1
2Victoria Research & ConsultingD+1.01.3
3We Ask AmericaR+5.14.8
4DCCC Targeting and Analytics DepartmentD+6.06.3
5Impact ResearchD+9.09.3

Polls (5)

PollsterDatenPollMiss
We Ask America2012-10-281360R+5.15
Impact Research2012-10-20400D+9.09
DCCC Targeting and Analytics Department2012-10-12458D+6.06
We Ask America2012-10-081253R+2.02
Victoria Research & Consulting2012-09-26400D+1.01