VotePredictor
past elections

Ohio President

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

Actual result
R+2.1
Final polls said
R+0.3
25 late polls · ✓
Model predicted
R+1.7
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
1SurveyUSAR+2.00.1
2Mason-Dixon Polling & StrategyR+2.00.1
3VotePredictorR+1.70.4
4Opinion DynamicsR+3.00.9
5University of Cincinnati (Ohio Poll)R+1.01.1
6Scott Rasmussen (Rasmussen Reports)R+4.01.9
7Columbus DispatchEVEN2.1
8Lake Research PartnersEVEN2.1
9Zogby AnalyticsR+6.03.9
10American Research GroupD+2.04.1
11ABC News/The Washington PostD+3.05.1
12Harris Insights & AnalyticsD+4.06.1
13GallupD+4.06.1
14Ohio UniversityD+4.06.1
15Market Shares Corp.D+4.06.1
16Los Angeles TimesD+6.08.1

Polls (44)

PollsterDatenPollMiss
Harris Insights & Analytics2004-10-311218D+4.06
Zogby Analytics2004-10-31601R+6.04
Gallup2004-10-301111D+4.06
SurveyUSA2004-10-30816R+2.00
Opinion Dynamics2004-10-30700R+3.01
University of Cincinnati (Ohio Poll)2004-10-29819R+1.01
Scott Rasmussen (Rasmussen Reports)2004-10-28600R+4.02
Zogby Analytics2004-10-28602R+4.02
Mason-Dixon Polling & Strategy2004-10-28625R+2.00
Zogby Analytics2004-10-27600D+3.05
Mason-Dixon Polling & Strategy2004-10-261500R+3.01
SurveyUSA2004-10-24831D+3.05
Columbus Dispatch2004-10-242880EVEN2
Los Angeles Times2004-10-24585D+6.08
American Research Group2004-10-24600D+2.04
Scott Rasmussen (Rasmussen Reports)2004-10-23537R+4.02
Zogby Analytics2004-10-23600R+5.03
Ohio University2004-10-19358D+4.06
Gallup2004-10-19706D+1.03
Opinion Dynamics2004-10-17800R+2.00
SurveyUSA2004-10-17698D+2.04
Mason-Dixon Polling & Strategy2004-10-17625R+1.01
ABC News/The Washington Post2004-10-16789D+3.05
Scott Rasmussen (Rasmussen Reports)2004-10-15537EVEN2
Zogby Analytics2004-10-152024R+3.01
University of Cincinnati (Ohio Poll)2004-10-14757D+2.04
Market Shares Corp.2004-10-10500D+4.06
Scott Rasmussen (Rasmussen Reports)2004-10-10564R+2.00
American Research Group2004-10-05600D+1.03
SurveyUSA2004-10-03761D+1.03
Zogby Analytics2004-10-021844D+0.32
Scott Rasmussen (Rasmussen Reports)2004-09-29597R+1.01
Gallup2004-09-27664R+2.00
Columbus Dispatch2004-09-262859R+7.05
Lake Research Partners2004-09-21800EVEN2
Opinion Dynamics2004-09-21800R+4.02
American Research Group2004-09-19600R+2.00
Zogby Analytics2004-09-151718R+3.31
University of Cincinnati (Ohio Poll)2004-09-15456R+11.09
Scott Rasmussen (Rasmussen Reports)2004-09-15668R+3.01
Mason-Dixon Polling & Strategy2004-09-14625R+7.05
Mason-Dixon Polling & Strategy2004-09-121500R+8.06
SurveyUSA2004-09-07709R+3.01
Gallup2004-09-06661R+9.07