VotePredictor
past elections

Illinois President

John Kerry (D) vs George W. Bush (R)

Actual result
D+10.3
Final polls said
D+10.0
4 late polls · ✓
Model predicted
D+10.8
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
1Victory ResearchD+10.00.3
2Richard Day ResearchD+10.00.3
3VotePredictorD+10.80.4
4Scott Rasmussen (Rasmussen Reports)D+11.00.7
5SurveyUSAD+12.01.7
6Market Shares Corp.D+8.02.3
7American Research GroupD+6.04.3

Polls (9)

PollsterDatenPollMiss
Victory Research2004-10-301200D+10.00
SurveyUSA2004-10-28665D+12.02
Market Shares Corp.2004-10-18700D+8.02
Richard Day Research2004-10-17828D+10.00
SurveyUSA2004-10-05644D+16.06
Scott Rasmussen (Rasmussen Reports)2004-10-04500D+11.01
Market Shares Corp.2004-09-19700D+9.01
American Research Group2004-09-15600D+6.04
SurveyUSA2004-09-13618D+4.06