VotePredictor
past elections

Pennsylvania Governor

Dan Onorato (D) vs Thomas W. Corbett (R)

Actual result
R+9.0
Final polls said
R+8.2
17 late polls · ✓
Model predicted
R+8.4
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
1Scott Rasmussen (Rasmussen Reports)R+9.00.0
2VotePredictorR+8.40.6
3Quinnipiac UniversityR+10.01.0
4Magellan StrategiesR+10.01.0
5Muhlenberg College Institute of Public OpinionR+7.02.0
6Public Policy PollingR+7.02.0
7Marist CollegeR+7.02.0
8Susquehanna Polling & Research Inc.R+7.02.0
9Big VillageR+7.02.0
10Suffolk UniversityR+7.02.0
11YouGovR+11.02.0
12ccAdvertisingR+6.92.1
13IpsosR+6.03.0
14Franklin & Marshall College Center for Opinion ResearchR+16.07.0
15Digital ResearchR+1.08.0

Polls (34)

PollsterDatenPollMiss
Muhlenberg College Institute of Public Opinion2010-10-30474R+7.02
YouGov2010-10-30570R+11.02
Public Policy Polling2010-10-30772R+7.02
Scott Rasmussen (Rasmussen Reports)2010-10-28666R+9.00
Marist College2010-10-27461R+7.02
Quinnipiac University2010-10-271244R+10.01
YouGov2010-10-27779R+9.00
Susquehanna Polling & Research Inc.2010-10-26800R+7.02
Muhlenberg College Institute of Public Opinion2010-10-26460R+15.06
Ipsos2010-10-23400R+6.03
Big Village2010-10-23823R+7.02
Muhlenberg College Institute of Public Opinion2010-10-22445R+9.00
Franklin & Marshall College Center for Opinion Research2010-10-21489R+16.07
Scott Rasmussen (Rasmussen Reports)2010-10-21666R+5.04
Muhlenberg College Institute of Public Opinion2010-10-18403R+7.02
Public Policy Polling2010-10-17718R+2.07
Quinnipiac University2010-10-151046R+5.04
Scott Rasmussen (Rasmussen Reports)2010-10-12750R+14.05
Magellan Strategies2010-10-101766R+10.01
ccAdvertising2010-10-072236R+6.92
Muhlenberg College Institute of Public Opinion2010-10-01577R+11.02
Scott Rasmussen (Rasmussen Reports)2010-09-29750R+12.03
Marist College2010-09-27468R+12.03
Suffolk University2010-09-26500R+7.02
Susquehanna Polling & Research Inc.2010-09-25800R+6.03
Franklin & Marshall College Center for Opinion Research2010-09-23436R+4.05
Magellan Strategies2010-09-211430R+12.03
Muhlenberg College Institute of Public Opinion2010-09-20445R+9.00
Big Village2010-09-19741R+8.01
Scott Rasmussen (Rasmussen Reports)2010-09-181000R+10.01
Quinnipiac University2010-09-17684R+15.06
Digital Research2010-09-15600R+1.08
Scott Rasmussen (Rasmussen Reports)2010-09-13500R+10.01
Scott Rasmussen (Rasmussen Reports)2010-09-111000R+10.01