VotePredictor
past elections

Ohio Senate

Ted Strickland (D) vs Rob Portman (R)

Actual result
R+20.9
Final polls said
R+14.3
12 late polls · ✓
Model predicted
R+17.7
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
1Columbus DispatchR+21.00.1
2Emerson CollegeR+20.50.4
3SurveyMonkeyR+18.02.9
4Quinnipiac UniversityR+18.02.9
5Marist CollegeR+18.02.9
6VotePredictorR+17.73.2
7GQRR+17.03.9
8Selzer & Co.R+17.03.9
9Big VillageR+16.04.9
10Suffolk UniversityR+15.05.9
11Public Policy PollingR+15.05.9
12Monmouth University Polling InstituteR+15.05.9
13TargetSmartR+15.05.9
14Rasmussen ReportsR+14.06.9
15LucidR+14.06.9
16Beacon Research/Shaw & Co. ResearchR+14.06.9
17YouGovR+13.07.9
18Baldwin Wallace University Community Research InstituteR+12.38.6
19Impact ResearchR+12.08.9
20Gravis MarketingR+8.012.9

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1FiveThirtyEightRep 99%0.000
2Sabato's Crystal BallRep 99%0.000
3VotePredictorRep 100%0.000
4Inside ElectionsRep 90%0.010
5Cook PoliticalRep 75%0.062

Polls (31)

PollsterDatenPollMiss
SurveyMonkey2016-11-042860R+18.03
Rasmussen Reports2016-11-04525R+14.07
Emerson College2016-11-04900R+20.50
YouGov2016-11-031189R+13.08
Rasmussen Reports2016-10-31525R+8.013
Columbus Dispatch2016-10-311151R+21.00
Quinnipiac University2016-10-29589R+18.03
SurveyMonkey2016-10-281823R+15.06
Emerson College2016-10-26800R+14.07
Rasmussen Reports2016-10-26525R+7.014
Rasmussen Reports2016-10-21875R+8.013
Suffolk University2016-10-18500R+15.06
Quinnipiac University2016-10-13624R+13.08
Big Village2016-10-12774R+16.05
SurveyMonkey2016-10-121307R+17.04
Emerson College2016-10-11600R+17.04
Marist College2016-10-11724R+18.03
Baldwin Wallace University Community Research Institute2016-10-101152R+12.39
Lucid2016-10-091304R+14.07
YouGov2016-10-06997R+11.010
Public Policy Polling2016-10-05782R+15.06
Monmouth University Polling Institute2016-10-03405R+15.06
Quinnipiac University2016-09-29497R+17.04
Impact Research2016-09-29800R+12.09
Gravis Marketing2016-09-22850R+8.013
TargetSmart2016-09-19652R+15.06
Beacon Research/Shaw & Co. Research2016-09-19737R+14.07
GQR2016-09-14400R+17.04
Suffolk University2016-09-13500R+8.013
Selzer & Co.2016-09-11802R+17.04
Big Village2016-09-09769R+21.00