VotePredictor
past elections

Illinois House

Daniel J. Seals (D) vs Mark Kirk (R)

Actual result
R+5.1
Final polls said
R+6.0
1 late poll · ✓
Model predicted
R+5.7
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+5.70.6
2Normington, Petts & AssociatesR+6.00.9
3SurveyUSAD+8.013.1
4McLaughlin & AssociatesR+22.016.9

Polls (3)

PollsterDatenPollMiss
Normington, Petts & Associates2008-10-15400R+6.01
SurveyUSA2008-10-04623D+8.013
McLaughlin & Associates2008-09-10300R+22.017