VotePredictor
past elections

Arizona House

Hiral Tipirneni (D) vs David Schweikert (R)

Actual result
R+4.3
Final polls said
D+4.0
1 late poll · ✗
Model predicted
D+0.8
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
1Noble Predictive InsightsR+3.01.3
2VotePredictorD+0.85.2
3Public Policy PollingD+4.08.3
4GQRD+4.08.3

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1JHK ForecastsRep 70%0.090
2FiveThirtyEightRep 57%0.185
3The EconomistRep 53%0.221
4Cook PoliticalDem 50%0.250
5VotePredictorDem 51%0.257
6DDHQ/Decision DeskDem 60%0.356
7Sabato's Crystal BallDem 75%0.562

Polls (4)

PollsterDatenPollMiss
Public Policy Polling2020-10-26582D+4.08
GQR2020-09-25500D+4.08
Noble Predictive Insights2020-09-25531R+3.01
Public Policy Polling2020-09-22527R+2.02