VotePredictor
past elections

Utah House

Jim Matheson (D) vs John Swallow (R)

Actual result
D+11.5
Final polls said
D+12.9
3 late polls · ✓
Model predicted
D+14.5
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
1Dan Jones & AssociatesD+10.01.5
2VotePredictorD+14.52.9
3Valley ResearchD+5.65.9
4Impact ResearchD+23.011.5

Polls (6)

PollsterDatenPollMiss
Dan Jones & Associates2004-10-25430D+10.02
Valley Research2004-10-23400D+5.66
Impact Research2004-10-20400D+23.011
Dan Jones & Associates2004-10-01300D+32.020
Valley Research2004-09-26400D+25.013
Dan Jones & Associates2004-09-08300D+31.019