VotePredictor
past elections

Washington Senate

Maria Cantwell (D) vs Mike McGavick (R)

Actual result
D+16.9
Final polls said
D+13.2
9 late polls · ✓
Model predicted
D+12.1
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
1Mason-Dixon Polling & StrategyD+16.00.9
2Elway ResearchD+18.01.1
3YouGovD+14.02.9
4SurveyUSAD+13.03.9
5VotePredictorD+12.14.8
6University of Washington Center for Survey ResearchD+12.04.9
7Scott Rasmussen (Rasmussen Reports)D+12.04.9
8Zogby AnalyticsD+3.913.0

Polls (16)

PollsterDatenPollMiss
Mason-Dixon Polling & Strategy2006-11-01625D+16.01
YouGov2006-10-31804D+14.03
University of Washington Center for Survey Research2006-10-28700D+12.05
SurveyUSA2006-10-28774D+13.04
Scott Rasmussen (Rasmussen Reports)2006-10-26500D+12.05
Zogby Analytics2006-10-25679D+3.913
Elway Research2006-10-20405D+18.01
Mason-Dixon Polling & Strategy2006-10-18625D+15.02
Scott Rasmussen (Rasmussen Reports)2006-10-17500D+15.02
SurveyUSA2006-10-14848D+8.09
Zogby Analytics2006-10-13679D+6.411
Mason-Dixon Polling & Strategy2006-09-26625D+10.07
Elway Research2006-09-23405D+18.01
SurveyUSA2006-09-23481D+12.05
Zogby Analytics2006-09-22679D+6.910
Scott Rasmussen (Rasmussen Reports)2006-09-20500D+6.011