VotePredictor
past elections

Maryland Governor

Martin O'Malley (D) vs Robert Ehrlich Jr. (R)

Actual result
D+6.5
Final polls said
D+3.1
12 late polls · ✓
Model predicted
D+2.4
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
1Garin-Hart-Yang Research GroupD+6.00.5
2Zogby AnalyticsD+5.41.1
3ABC News/The Washington PostD+10.03.5
4SurveyUSAD+3.03.5
5VotePredictorD+2.44.2
6YouGovD+2.04.5
7GallupD+12.05.5
8Scott Rasmussen (Rasmussen Reports)D+1.05.5
9Potomac IncorporatedD+1.05.5
10Mason-Dixon Polling & StrategyEVEN6.5
11Public Opinion StrategiesR+1.07.5

Polls (20)

PollsterDatenPollMiss
SurveyUSA2006-11-04663D+3.04
Mason-Dixon Polling & Strategy2006-11-02625EVEN7
SurveyUSA2006-11-01694D+1.06
Scott Rasmussen (Rasmussen Reports)2006-11-01500D+1.06
YouGov2006-10-31802D+2.05
Potomac Incorporated2006-10-29800D+1.06
Garin-Hart-Yang Research Group2006-10-29905D+6.01
Scott Rasmussen (Rasmussen Reports)2006-10-26500D+3.04
Public Opinion Strategies2006-10-25600R+1.08
Zogby Analytics2006-10-25644D+5.41
ABC News/The Washington Post2006-10-241003D+10.03
SurveyUSA2006-10-16698D+6.01
Zogby Analytics2006-10-13666D+10.94
Scott Rasmussen (Rasmussen Reports)2006-10-10500D+8.01
Gallup2006-09-29678D+12.05
Garin-Hart-Yang Research Group2006-09-26606D+9.02
Mason-Dixon Polling & Strategy2006-09-24625D+4.03
SurveyUSA2006-09-18522D+7.00
Potomac Incorporated2006-09-17815D+6.01
Scott Rasmussen (Rasmussen Reports)2006-09-13500D+7.00