VotePredictor
past elections

Pennsylvania President

Hillary Rodham Clinton (D) vs Donald Trump (R)

Actual result
R+0.7
Final polls said
D+3.8
33 late polls · ✗
Model predicted
D+4.8
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
1Harper PollingEVEN0.7
2Trafalgar GroupR+1.91.2
3Rasmussen ReportsR+2.01.3
4Remington Research GroupD+1.01.7
5Mercyhurst University Center for Applied PoliticsD+1.01.7
6YouGovD+2.02.7
7Susquehanna Polling & Research Inc.D+2.02.7
8SurveyMonkeyD+3.03.7
9IpsosD+3.03.7
10Clarity Campaign LabsD+4.04.7
11Muhlenberg College Institute of Public OpinionD+4.04.7
12Monmouth University Polling InstituteD+4.04.7
13Public Policy PollingD+4.04.7
14Big VillageD+4.04.7
15VotePredictorD+4.85.6
16Quinnipiac UniversityD+5.05.7
17Emerson CollegeD+5.05.7
18Gravis MarketingD+6.06.7
19The New York Times/Siena CollegeD+7.07.7
20GQRD+8.08.7
21Selzer & Co.D+9.09.7
22LucidD+9.09.7
23Franklin & Marshall College Center for Opinion ResearchD+11.011.7
24Marist CollegeD+12.012.7

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Cook PoliticalDem 75%0.562
2Inside ElectionsDem 75%0.562
3Sabato's Crystal BallDem 75%0.562
4FiveThirtyEightDem 77%0.593
5Princeton Election ConsortiumDem 79%0.624
6VotePredictorDem 86%0.733
7New York TimesDem 89%0.792

Polls (56)

PollsterDatenPollMiss
Gravis Marketing2016-11-051220D+6.07
Trafalgar Group2016-11-041300R+1.91
SurveyMonkey2016-11-042845D+3.04
Rasmussen Reports2016-11-04525R+2.01
YouGov2016-11-04931D+2.03
Clarity Campaign Labs2016-11-031033D+4.05
Ipsos2016-11-03498D+3.04
Harper Polling2016-11-02504EVEN1
Remington Research Group2016-11-012683D+1.02
Muhlenberg College Institute of Public Opinion2016-11-01405D+4.05
Gravis Marketing2016-11-011016D+2.03
Gravis Marketing2016-10-312606D+1.02
Monmouth University Polling Institute2016-10-31403D+4.05
Public Policy Polling2016-10-311050D+4.05
Susquehanna Polling & Research Inc.2016-10-31681D+2.03
Rasmussen Reports2016-10-31525D+1.02
Remington Research Group2016-10-301249D+2.03
Quinnipiac University2016-10-29612D+5.06
Big Village2016-10-29799D+4.05
SurveyMonkey2016-10-282255D+8.09
Franklin & Marshall College Center for Opinion Research2016-10-28652D+11.012
Gravis Marketing2016-10-273217D+3.04
YouGov2016-10-271091D+8.09
Rasmussen Reports2016-10-26525D+7.08
Emerson College2016-10-25550D+5.06
Ipsos2016-10-24445D+2.23
The New York Times/Siena College2016-10-24824D+7.08
Muhlenberg College Institute of Public Opinion2016-10-23420D+6.07
Rasmussen Reports2016-10-21875D+5.06
Remington Research Group2016-10-211997D+3.04
YouGov2016-10-203704D+1.52
Emerson College2016-10-18800D+4.05
Ipsos2016-10-17553D+10.411
Quinnipiac University2016-10-13660D+6.07
SurveyMonkey2016-10-121449D+6.07
Ipsos2016-10-101153D+4.25
Selzer & Co.2016-10-09806D+9.010
Lucid2016-10-091457D+9.010
YouGov2016-10-06997D+8.09
Susquehanna Polling & Research Inc.2016-10-06764D+4.05
Marist College2016-10-05709D+12.013
Ipsos2016-10-03468D+6.57
Monmouth University Polling Institute2016-10-02402D+10.011
Franklin & Marshall College Center for Opinion Research2016-09-30496D+9.010
Quinnipiac University2016-09-29535D+4.05
Public Policy Polling2016-09-27886D+6.07
Ipsos2016-09-26500D+2.94
Gravis Marketing2016-09-23949D+3.04
Big Village2016-09-22771D+1.02
Muhlenberg College Institute of Public Opinion2016-09-21486D+2.03
Harper Polling2016-09-21500D+2.03
Ipsos2016-09-19387R+0.80
Mercyhurst University Center for Applied Politics2016-09-18420D+1.02
Muhlenberg College Institute of Public Opinion2016-09-14405D+8.09
GQR2016-09-14400D+8.09
Ipsos2016-09-12423D+2.33