VotePredictor
past elections

Massachusetts Governor

Deval Patrick (D) vs Kerry Healey (R)

Actual result
D+20.3
Final polls said
D+25.2
7 late polls · ✓
Model predicted
D+20.1
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+20.10.2
2SurveyUSAD+21.00.7
3Scott Rasmussen (Rasmussen Reports)D+24.03.7
4University of New Hampshire Survey CenterD+25.04.7
5Zogby AnalyticsD+25.45.1
6Suffolk UniversityD+27.06.7
7KRC ResearchD+13.07.3
8YouGovD+29.08.7

Polls (15)

PollsterDatenPollMiss
SurveyUSA2006-10-31664D+21.01
YouGov2006-10-31799D+29.09
Zogby Analytics2006-10-25678D+25.45
University of New Hampshire Survey Center2006-10-24585D+25.05
Scott Rasmussen (Rasmussen Reports)2006-10-23500D+24.04
SurveyUSA2006-10-22623D+25.05
Suffolk University2006-10-22400D+27.07
Zogby Analytics2006-10-13666D+22.42
Suffolk University2006-10-10400D+13.07
SurveyUSA2006-10-09609D+18.02
Suffolk University2006-10-03500D+21.01
University of New Hampshire Survey Center2006-09-28525D+25.05
Scott Rasmussen (Rasmussen Reports)2006-09-23500D+33.013
SurveyUSA2006-09-20608D+39.019
KRC Research2006-09-09359D+13.07