VotePredictor
past elections

California House

Will Rollins (D) vs Ken Calvert (R)

Actual result
R+4.7
Final polls said
R+3.0
1 late poll · ✓
Model predicted
R+6.3
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
1VotePredictorR+6.31.6
2Tulchin ResearchR+3.01.7

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Inside ElectionsRep 99%0.000
2JHK ForecastsRep 99%0.000
3FiveThirtyEightRep 95%0.003
4Race to the WHRep 91%0.008
5CNalysisRep 90%0.010
6DDHQ/Decision DeskRep 90%0.010
7Fox NewsRep 90%0.010
8Sabato's Crystal BallRep 90%0.010
9The EconomistRep 89%0.012
10Cook PoliticalRep 75%0.062
11Elections DailyRep 75%0.062
12RealClearPoliticsRep 75%0.062
13Split TicketRep 75%0.062
14VotePredictorRep 64%0.128

Polls (1)

PollsterDatenPollMiss
Tulchin Research2022-09-30600R+3.02