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Toss-up · 2018 House
Arizona House
In the 2018 Arizona House race, Debbie Lesko (R) won by about 11 points.
Actual result
R+10.9
Final polls said
R+3.3
3 late polls · ✓
VotePredictor Elections predicted
—
Winner
Rep
"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. VotePredictor Elections' prediction is walk-forward (trained only on earlier races).
Final rankings
How everyone who called this race did, ranked — VotePredictor Elections shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | Noble Predictive Insights | R+10.0 | 0.9 | ✓ |
| 2 | Emerson College | R+6.0 | 4.9 | ✓ |
| 3 | Lake Research Partners | R+4.0 | 6.9 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | The Economist | Rep 98% | 0.001 | ✓ |
| 2 | Cook Political | Rep 90% | 0.010 | ✓ |
| 3 | Sabato's Crystal Ball | Rep 90% | 0.010 | ✓ |
| 4 | VotePredictor Elections | Rep 89% | 0.011 | ✓ |
| 5 | FiveThirtyEight | Rep 87% | 0.017 | ✓ |
| 6 | DDHQ/Decision Desk | Rep 69% | 0.099 | ✓ |
The polls behind it
5 polls · newest firstPollsterDateSampleMiss
Lake Research Partners2018-09-257
Emerson College2018-04-211
Lake Research Partners2018-04-155
Emerson College2018-04-146
Noble Predictive Insights2018-04-115
Frequently asked questions
Who won the 2018 Arizona House race?
Debbie Lesko (R) won, by about 10.9 points (R+10.9).
When was the 2018 Arizona House election held?
It was held in November 2018.
Which party matches you?
These candidates split on taxes, health care, guns, and abortion. See where you land — and which members of Congress actually vote like you.