VotePredictor
past elections

Michigan House

Lon Johnson (D) vs Jack Bergman (R)

Actual result
R+14.8
Final polls said
R+0.7
3 late polls · ✓
Model predicted
R+4.5
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
1Harper PollingR+5.09.8
2VotePredictorR+4.510.3
3Impact ResearchD+1.015.8

Polls (3)

PollsterDatenPollMiss
Impact Research2016-10-11500D+1.016
Harper Polling2016-10-08400R+5.010
Impact Research2016-09-12500D+2.017