VotePredictor
past elections

Pennsylvania Senate

Robert P. Casey Jr. (D) vs Tom Smith (R)

Actual result
D+9.1
Final polls said
D+5.5
16 late polls · ✓
Model predicted
D+6.7
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
1Franklin & Marshall College Center for Opinion ResearchD+9.00.1
2Siena CollegeD+9.00.1
3Mercyhurst University Center for Applied PoliticsD+10.00.9
4YouGovD+8.01.1
5Public Policy PollingD+8.01.1
6Angus Reid GlobalD+7.02.1
7Global Strategy Group/National Research (Philadelphia Inquirer)D+7.02.1
8VotePredictorD+6.72.4
9Harstad Strategic ResearchD+12.02.9
10Muhlenberg College Institute of Public OpinionD+6.03.1
11Garin-Hart-Yang Research GroupD+13.03.9
12Quinnipiac UniversityD+3.06.1
13McLaughlin & AssociatesD+2.07.1
14Clout ResearchD+1.27.9
15Rasmussen ReportsD+1.08.1
16Susquehanna Polling & Research Inc.D+1.08.1
17Scott Rasmussen (Rasmussen Reports)D+1.08.1
18GS Strategy GroupD+0.28.9

Polls (36)

PollsterDatenPollMiss
Angus Reid Global2012-11-03507D+7.02
YouGov2012-11-021273D+8.01
Muhlenberg College Institute of Public Opinion2012-11-02430D+6.03
Public Policy Polling2012-11-02790D+8.01
Rasmussen Reports2012-10-301000D+1.08
Susquehanna Polling & Research Inc.2012-10-30800D+1.08
Franklin & Marshall College Center for Opinion Research2012-10-25547D+9.00
Global Strategy Group/National Research (Philadelphia Inquirer)2012-10-24600D+7.02
Scott Rasmussen (Rasmussen Reports)2012-10-24500D+1.08
Harstad Strategic Research2012-10-23679D+12.03
Clout Research2012-10-221000D+1.28
Angus Reid Global2012-10-19559D+5.04
Muhlenberg College Institute of Public Opinion2012-10-19444D+8.01
GS Strategy Group2012-10-17679D+0.29
Garin-Hart-Yang Research Group2012-10-16604D+13.04
Rasmussen Reports2012-10-151000D+1.08
Public Policy Polling2012-10-13500D+11.02
Quinnipiac University2012-10-131519D+3.06
Muhlenberg College Institute of Public Opinion2012-10-12438D+2.07
Susquehanna Polling & Research Inc.2012-10-121376R+2.011
Scott Rasmussen (Rasmussen Reports)2012-10-09500D+4.05
YouGov2012-10-08966D+7.02
Rasmussen Reports2012-10-081000D+3.06
McLaughlin & Associates2012-10-07600D+2.07
Global Strategy Group/National Research (Philadelphia Inquirer)2012-10-06600D+10.01
Susquehanna Polling & Research Inc.2012-10-05725D+2.07
Siena College2012-10-03545D+9.00
Muhlenberg College Institute of Public Opinion2012-09-24427D+8.01
Quinnipiac University2012-09-211180D+6.03
Franklin & Marshall College Center for Opinion Research2012-09-20392D+10.01
Susquehanna Polling & Research Inc.2012-09-19800D+5.04
Scott Rasmussen (Rasmussen Reports)2012-09-19500D+7.02
Susquehanna Polling & Research Inc.2012-09-16800D+3.06
Mercyhurst University Center for Applied Politics2012-09-16522D+10.01
Muhlenberg College Institute of Public Opinion2012-09-13640D+12.03
YouGov2012-09-111139D+8.01