VotePredictor
past elections

California President

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

Actual result
D+9.9
Final polls said
D+10.8
5 late polls · ✓
Model predicted
D+10.6
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
1VotePredictorD+10.60.6
2SurveyUSAD+11.01.1
3Scott Rasmussen (Rasmussen Reports)D+11.01.1
4American Research GroupD+11.01.1
5Public Policy Institute of CaliforniaD+12.02.1
6Field Research Corp. (Field Poll)D+7.02.9
7San Jose StateD+6.03.9
8Los Angeles TimesD+17.07.1

Polls (17)

PollsterDatenPollMiss
SurveyUSA2004-10-30767D+11.01
Field Research Corp. (Field Poll)2004-10-241086D+7.03
SurveyUSA2004-10-24743D+9.01
Los Angeles Times2004-10-16925D+17.07
SurveyUSA2004-10-16703D+10.00
Public Policy Institute of California2004-10-141170D+12.02
SurveyUSA2004-10-03748D+8.02
Field Research Corp. (Field Poll)2004-10-02586D+9.01
Scott Rasmussen (Rasmussen Reports)2004-10-02864D+11.01
San Jose State2004-09-29600D+6.04
Field Research Corp. (Field Poll)2004-09-26549D+8.02
Scott Rasmussen (Rasmussen Reports)2004-09-22848D+13.03
Los Angeles Times2004-09-19861D+13.03
Public Policy Institute of California2004-09-161170D+12.02
American Research Group2004-09-12600D+11.01
American Research Group2004-09-12600R+1.011
SurveyUSA2004-09-07598D+10.00