VotePredictor
past elections

Illinois House

Bill Foster (D) vs Judy Biggert (R)

Actual result
D+17.1
Final polls said
D+2.0
2 late polls · ✓
Model predicted
D+0.5
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
1Garin-Hart-Yang Research GroupD+4.013.1
2VotePredictorD+0.516.6
3We Ask AmericaEVEN17.1

Polls (3)

PollsterDatenPollMiss
We Ask America2012-10-281303EVEN17
Garin-Hart-Yang Research Group2012-10-17402D+4.013
We Ask America2012-10-101253R+2.019