VotePredictor
past elections

California President

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

Actual result
D+30.1
Final polls said
D+26.3
11 late polls · ✓
Model predicted
D+28.8
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
1VotePredictorD+28.81.3
2IpsosD+27.13.0
3Public Policy Institute of CaliforniaD+26.04.1
4SurveyMonkeyD+25.05.1
5California State University, SacramentoD+36.05.9
6Greenberg Quinlan Rosner/American ViewpointD+24.06.1
7LegerD+23.07.1
8SurveyUSAD+21.09.1
9YouGovD+20.010.1

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Cook PoliticalDem 99%0.000
2FiveThirtyEightDem 100%0.000
3Inside ElectionsDem 99%0.000
4New York TimesDem 99%0.000
5Princeton Election ConsortiumDem 99%0.000
6Sabato's Crystal BallDem 99%0.000
7VotePredictorDem 100%0.000

Polls (24)

PollsterDatenPollMiss
Leger2016-11-05401D+23.07
SurveyMonkey2016-11-042712D+25.05
Ipsos2016-11-03726D+27.13
SurveyUSA2016-10-30747D+21.09
YouGov2016-10-281498D+20.010
SurveyMonkey2016-10-282505D+25.05
Greenberg Quinlan Rosner/American Viewpoint2016-10-261382D+24.06
Ipsos2016-10-24712D+39.09
YouGov2016-10-208746D+21.49
Public Policy Institute of California2016-10-181024D+26.04
Ipsos2016-10-17503D+38.28
SurveyUSA2016-10-14725D+26.04
Ipsos2016-10-10553D+43.513
California State University, Sacramento2016-10-10622D+36.06
YouGov2016-10-091250D+24.06
Ipsos2016-10-03974D+33.43
SurveyUSA2016-09-27723D+26.04
Ipsos2016-09-26787D+39.910
Ipsos2016-09-19705D+31.62
Leger2016-09-13515D+27.03
Public Policy Institute of California2016-09-131055D+16.014
Ipsos2016-09-12577D+38.38
YouGov2016-09-101426D+17.013
SurveyUSA2016-09-10678D+25.05