VotePredictor
past elections

Pennsylvania Senate

Joe Sestak (D) vs Patrick J. Toomey (R)

Actual result
R+2.0
Final polls said
R+3.6
17 late polls · ✓
Model predicted
R+4.1
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
1Susquehanna Polling & Research Inc.R+2.00.0
2Normington, Petts & AssociatesR+1.01.0
3Muhlenberg College Institute of Public OpinionR+4.02.0
4YouGovR+4.02.0
5Scott Rasmussen (Rasmussen Reports)R+4.02.0
6Big VillageR+4.02.0
7Digital ResearchR+4.02.0
8IpsosEVEN2.0
9VotePredictorR+4.12.1
10Public Policy PollingR+5.03.0
11Quinnipiac UniversityR+5.03.0
12Suffolk UniversityR+5.03.0
13Marist CollegeR+7.05.0
14Garin-Hart-Yang Research GroupD+3.05.0
15ccAdvertisingR+7.65.6
16Franklin & Marshall College Center for Opinion ResearchR+8.06.0
17Magellan StrategiesR+8.86.8

Polls (35)

PollsterDatenPollMiss
Muhlenberg College Institute of Public Opinion2010-10-30474R+4.02
YouGov2010-10-30570R+4.02
Public Policy Polling2010-10-30772R+5.03
Scott Rasmussen (Rasmussen Reports)2010-10-28750R+4.02
Marist College2010-10-27461R+7.05
Quinnipiac University2010-10-271244R+5.03
YouGov2010-10-27779R+6.04
Susquehanna Polling & Research Inc.2010-10-26800R+2.00
Muhlenberg College Institute of Public Opinion2010-10-26460R+8.06
Ipsos2010-10-23400EVEN2
Big Village2010-10-23823R+4.02
Muhlenberg College Institute of Public Opinion2010-10-22445R+3.01
Scott Rasmussen (Rasmussen Reports)2010-10-21750R+4.02
Franklin & Marshall College Center for Opinion Research2010-10-21489R+8.06
Muhlenberg College Institute of Public Opinion2010-10-18403D+3.05
Public Policy Polling2010-10-17718D+1.03
Quinnipiac University2010-10-151046R+2.00
Scott Rasmussen (Rasmussen Reports)2010-10-12750R+10.08
Garin-Hart-Yang Research Group2010-10-09604D+3.05
ccAdvertising2010-10-072236R+7.66
Normington, Petts & Associates2010-10-05800R+1.01
Muhlenberg College Institute of Public Opinion2010-10-01577R+7.05
Scott Rasmussen (Rasmussen Reports)2010-09-29750R+9.07
Marist College2010-09-27468R+9.07
Suffolk University2010-09-26500R+5.03
Susquehanna Polling & Research Inc.2010-09-25800R+3.01
Franklin & Marshall College Center for Opinion Research2010-09-23436R+9.07
Magellan Strategies2010-09-211430R+8.87
Muhlenberg College Institute of Public Opinion2010-09-20445R+7.05
Big Village2010-09-19741R+5.03
Scott Rasmussen (Rasmussen Reports)2010-09-181000R+8.06
Quinnipiac University2010-09-17684R+7.05
Digital Research2010-09-15600R+4.02
Scott Rasmussen (Rasmussen Reports)2010-09-13750R+8.06
Scott Rasmussen (Rasmussen Reports)2010-09-111000R+6.04