VotePredictor
past elections

Colorado Governor

Jared Polis (D) vs Walker Stapleton (R)

Actual result
D+10.6
Final polls said
D+6.5
2 late polls · ✓
Model predicted
D+4.6
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+12.01.4
2Keating Research/OnSight Public Affairs/MelansonD+8.02.6
3Keating Research/Magellan StrategiesD+7.03.6
4Magellan StrategiesD+5.05.6
5VotePredictorD+4.66.0

Polls (5)

PollsterDatenPollMiss
Magellan Strategies2018-10-29500D+5.06
Keating Research/OnSight Public Affairs/Melanson2018-10-27517D+8.03
YouGov2018-10-14800D+12.01
Magellan Strategies2018-10-09500D+7.04
Keating Research/Magellan Strategies2018-09-19600D+7.04