VotePredictor
past elections

California Senate

Kamala Harris (D) vs Loretta Sanchez (R)

Actual result
D+23.2
Final polls said
D+20.9
7 late polls · ✓
Model predicted
D+21.2
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
1YouGovD+24.00.8
2LegerD+22.01.2
3Public Policy Institute of CaliforniaD+22.01.2
4California State University, SacramentoD+25.01.8
5VotePredictorD+21.22.0
6SurveyMonkeyD+21.02.2
7SurveyUSAD+20.03.2
8Greenberg Quinlan Rosner/American ViewpointD+17.06.2

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Inside ElectionsDem 99%0.000
2Sabato's Crystal BallDem 99%0.000
3VotePredictorDem 100%0.000
4FiveThirtyEightDem 97%0.001
5Cook PoliticalDem 90%0.010

Polls (15)

PollsterDatenPollMiss
Leger2016-11-05401D+22.01
SurveyMonkey2016-11-042712D+21.02
SurveyUSA2016-10-30747D+20.03
YouGov2016-10-281498D+24.01
SurveyMonkey2016-10-282505D+20.03
Greenberg Quinlan Rosner/American Viewpoint2016-10-261382D+17.06
Public Policy Institute of California2016-10-181024D+22.01
SurveyUSA2016-10-14725D+21.02
California State University, Sacramento2016-10-10622D+25.02
YouGov2016-10-091250D+19.04
SurveyUSA2016-09-27751D+11.012
Public Policy Institute of California2016-09-131055D+7.016
Leger2016-09-13515D+14.09
SurveyUSA2016-09-10712D+17.06
YouGov2016-09-101426D+22.01