VotePredictor
past elections

Maryland President

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

Actual result
D+13.0
Final polls said
D+14.3
3 late polls · ✓
Model predicted
D+11.5
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
1VotePredictorD+11.51.5
2SurveyUSAD+11.02.0
3Mason-Dixon Polling & StrategyD+11.02.0
4Gonzales Research & Marketing Strategies Inc.D+10.03.0
5American Research GroupD+9.04.0
6IpsosD+21.08.0
7Scott Rasmussen (Rasmussen Reports)D+3.010.0

Polls (8)

PollsterDatenPollMiss
SurveyUSA2004-10-28607D+11.02
Ipsos2004-10-25455D+21.08
Mason-Dixon Polling & Strategy2004-10-25625D+11.02
SurveyUSA2004-10-06583D+15.02
Gonzales Research & Marketing Strategies Inc.2004-10-03809D+10.03
Scott Rasmussen (Rasmussen Reports)2004-09-20400D+3.010
SurveyUSA2004-09-18598EVEN13
American Research Group2004-09-08600D+9.04