VotePredictor
past elections

Maryland President

Barack Obama (D) vs John McCain (R)

Actual result
D+25.4
Final polls said
D+25.0
1 late poll · ✓
Model predicted
D+26.0
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
1YouGovD+25.00.4
2VotePredictorD+26.00.6
3Scott Rasmussen (Rasmussen Reports)D+23.02.4
4American Research GroupD+15.010.4

Polls (3)

PollsterDatenPollMiss
YouGov2008-10-25709D+25.00
Scott Rasmussen (Rasmussen Reports)2008-09-20500D+23.02
American Research Group2008-09-18600D+15.010