VotePredictor
past elections

Pennsylvania Senate

Kathleen Alana McGinty (D) vs Patrick J. Toomey (R)

Actual result
R+1.4
Final polls said
D+2.6
23 late polls · ✗
Model predicted
D+1.7
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
1Muhlenberg College Institute of Public OpinionR+1.00.4
2Mercyhurst University Center for Applied PoliticsR+1.00.4
3GQRR+2.00.6
4Harper PollingEVEN1.4
5LucidEVEN1.4
6YouGovD+1.02.4
7Quinnipiac UniversityD+1.02.4
8Rasmussen ReportsR+4.02.6
9VotePredictorD+1.73.1
10Gravis MarketingD+2.03.4
11Public Policy PollingD+2.03.4
12Emerson CollegeD+2.03.4
13Selzer & Co.D+2.03.4
14Clarity Campaign LabsD+3.04.4
15Monmouth University Polling InstituteD+3.04.4
16The New York Times/Siena CollegeD+3.04.4
17SurveyMonkeyD+4.05.4
18Marist CollegeD+4.05.4
19Big VillageD+5.06.4
20Susquehanna Polling & Research Inc.D+6.07.4
21Franklin & Marshall College Center for Opinion ResearchD+12.013.4

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Cook PoliticalRep 75%0.062
2Inside ElectionsDem 50%0.250
3VotePredictorDem 61%0.369
4FiveThirtyEightDem 62%0.384
5Sabato's Crystal BallDem 75%0.562

Polls (41)

PollsterDatenPollMiss
YouGov2016-11-04931D+1.02
SurveyMonkey2016-11-042845D+4.05
Rasmussen Reports2016-11-04525R+4.03
Clarity Campaign Labs2016-11-031033D+3.04
Harper Polling2016-11-02504EVEN1
Gravis Marketing2016-11-011016D+2.03
Muhlenberg College Institute of Public Opinion2016-11-01405R+1.00
Susquehanna Polling & Research Inc.2016-10-31681D+6.07
Monmouth University Polling Institute2016-10-31403D+3.04
Public Policy Polling2016-10-311050D+2.03
Rasmussen Reports2016-10-31525D+4.05
Quinnipiac University2016-10-29612D+1.02
Big Village2016-10-29799D+5.06
SurveyMonkey2016-10-282255D+3.04
Franklin & Marshall College Center for Opinion Research2016-10-28652D+12.013
YouGov2016-10-271091D+3.04
Gravis Marketing2016-10-273217D+4.05
Rasmussen Reports2016-10-26525D+6.07
Emerson College2016-10-25550D+2.03
The New York Times/Siena College2016-10-24824D+3.04
Muhlenberg College Institute of Public Opinion2016-10-23420EVEN1
Rasmussen Reports2016-10-21875D+3.04
Emerson College2016-10-18800R+3.22
Quinnipiac University2016-10-13660R+4.03
SurveyMonkey2016-10-121449EVEN1
Lucid2016-10-091457EVEN1
Selzer & Co.2016-10-09806D+2.03
YouGov2016-10-06997EVEN1
Susquehanna Polling & Research Inc.2016-10-06764R+4.03
Marist College2016-10-05709D+4.05
Monmouth University Polling Institute2016-10-02402EVEN1
Franklin & Marshall College Center for Opinion Research2016-09-30496D+6.07
Quinnipiac University2016-09-29535R+8.07
Public Policy Polling2016-09-27886D+5.06
Gravis Marketing2016-09-23949D+4.05
Big Village2016-09-22771D+3.04
Harper Polling2016-09-21500EVEN1
Muhlenberg College Institute of Public Opinion2016-09-21486R+1.00
Mercyhurst University Center for Applied Politics2016-09-18420R+1.00
GQR2016-09-14400R+2.01
Muhlenberg College Institute of Public Opinion2016-09-14405D+5.06