VotePredictor
past elections

Wisconsin Senate

Russ Feingold (D) vs Tim Michels (R)

Actual result
D+11.2
Final polls said
D+16.0
5 late polls · ✓
Model predicted
D+16.8
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
1Scott Rasmussen (Rasmussen Reports)D+10.01.2
2Harris Insights & AnalyticsD+13.01.8
3Opinion DynamicsD+14.02.8
4University of Wisconsin Survey CenterD+15.03.8
5ABC News/The Washington PostD+6.05.2
6VotePredictorD+16.85.5
7Tarrance GroupD+5.06.2
8Zogby AnalyticsD+23.011.8
9Market Shares Corp.D+24.012.8
10St. Norbert College Strategic Research InstituteD+24.012.8

Polls (11)

PollsterDatenPollMiss
Opinion Dynamics2004-10-30700D+14.03
Zogby Analytics2004-10-30601D+23.012
Tarrance Group2004-10-26500D+5.06
Zogby Analytics2004-10-26601D+23.012
University of Wisconsin Survey Center2004-10-25545D+15.04
Scott Rasmussen (Rasmussen Reports)2004-10-14500D+10.01
Market Shares Corp.2004-10-10500D+24.013
St. Norbert College Strategic Research Institute2004-10-08401D+24.013
Harris Insights & Analytics2004-09-24562D+13.02
ABC News/The Washington Post2004-09-18690D+6.05
University of Wisconsin Survey Center2004-09-18468D+14.03