VotePredictor
past elections

Ohio Senate

Sherrod Brown (D) vs Mike DeWine (R)

Actual result
D+12.3
Final polls said
D+11.2
13 late polls · ✓
Model predicted
D+9.4
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
1SurveyUSAD+12.00.3
2University of Cincinnati (Ohio Poll)D+12.00.3
3Quinnipiac UniversityD+12.00.3
4CBS News/The New York TimesD+13.00.7
5Big VillageD+11.01.3
6Scott Rasmussen (Rasmussen Reports)D+11.01.3
7VotePredictorD+9.42.9
8Los Angeles TimesD+8.04.3
9Zogby AnalyticsD+7.05.3
10Opinion ConsultantsD+7.05.3
11YouGovD+18.05.7
12Mason-Dixon Polling & StrategyD+6.06.3
13Columbus DispatchD+24.011.7
14University of Akron Ray C. Bliss Institute of Applied PoliticsR+0.212.5

Polls (30)

PollsterDatenPollMiss
SurveyUSA2006-11-04436D+12.00
University of Cincinnati (Ohio Poll)2006-11-031008D+12.00
Mason-Dixon Polling & Strategy2006-11-01625D+6.06
YouGov2006-10-311003D+18.06
Columbus Dispatch2006-10-291541D+24.012
Big Village2006-10-28542D+11.01
Zogby Analytics2006-10-27600D+7.05
Zogby Analytics2006-10-25678D+1.411
SurveyUSA2006-10-24563D+20.08
Opinion Consultants2006-10-24800D+7.05
Scott Rasmussen (Rasmussen Reports)2006-10-24500D+11.01
Los Angeles Times2006-10-22507D+8.04
Mason-Dixon Polling & Strategy2006-10-19625D+8.04
CBS News/The New York Times2006-10-131020D+13.01
Zogby Analytics2006-10-13679D+4.38
Quinnipiac University2006-10-12901D+12.00
Scott Rasmussen (Rasmussen Reports)2006-10-12500D+6.06
University of Cincinnati (Ohio Poll)2006-10-11526D+7.05
SurveyUSA2006-10-10515D+14.02
Scott Rasmussen (Rasmussen Reports)2006-10-03500D+7.05
Scott Rasmussen (Rasmussen Reports)2006-09-30500D+8.04
Zogby Analytics2006-09-29600EVEN12
Mason-Dixon Polling & Strategy2006-09-26625D+2.010
Zogby Analytics2006-09-22679D+4.18
SurveyUSA2006-09-19490D+10.02
Columbus Dispatch2006-09-151791D+5.07
Quinnipiac University2006-09-14876D+1.011
Scott Rasmussen (Rasmussen Reports)2006-09-13500D+6.06
University of Cincinnati (Ohio Poll)2006-09-12639D+4.08
University of Akron Ray C. Bliss Institute of Applied Politics2006-09-09477R+0.213