VotePredictor
past elections

California House

Julia Brownley (D) vs Matt Jacobs (R)

Actual result
D+9.1
Final polls said
D+4.8
1 late poll · ✓
Model predicted
D+4.8
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
1OnMessage Inc.D+4.84.3
2VotePredictorD+4.84.3

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1CNalysisDem 99%0.000
2Elections DailyDem 99%0.000
3JHK ForecastsDem 98%0.000
4FiveThirtyEightDem 96%0.002
5The EconomistDem 95%0.003
6DDHQ/Decision DeskDem 93%0.004
7Race to the WHDem 94%0.004
8VotePredictorDem 91%0.007
9Fox NewsDem 90%0.010
10Inside ElectionsDem 90%0.010
11Sabato's Crystal BallDem 90%0.010
12Split TicketDem 90%0.010
13Cook PoliticalDem 75%0.062
14RealClearPoliticsDem 75%0.062

Polls (1)

PollsterDatenPollMiss
OnMessage Inc.2022-09-15400D+4.84