VotePredictor
past elections

Colorado Senate

Michael Bennet (D) vs Ken Buck (R)

Actual result
D+1.6
Final polls said
R+1.5
11 late polls · ✗
Model predicted
R+1.9
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
1GQRD+2.00.4
2YouGovD+1.00.6
3RBI Strategies & ResearchD+1.00.6
4ccAdvertisingD+2.30.7
5Harstad Strategic ResearchD+3.01.4
6SurveyUSAEVEN1.6
7Public Policy PollingR+1.02.6
8Big VillageR+1.02.6
9VotePredictorR+1.93.5
10IpsosR+3.04.6
11Scott Rasmussen (Rasmussen Reports)R+4.05.6
12Marist CollegeR+4.05.6

Polls (23)

PollsterDatenPollMiss
Scott Rasmussen (Rasmussen Reports)2010-10-301000R+4.06
Public Policy Polling2010-10-301059R+1.03
YouGov2010-10-27855D+1.01
Marist College2010-10-27615R+4.06
Scott Rasmussen (Rasmussen Reports)2010-10-25750R+4.06
RBI Strategies & Research2010-10-25500D+1.01
Big Village2010-10-23829R+1.03
Public Policy Polling2010-10-22818EVEN2
SurveyUSA2010-10-20621EVEN2
Ipsos2010-10-19405R+3.05
Scott Rasmussen (Rasmussen Reports)2010-10-161000R+1.03
Scott Rasmussen (Rasmussen Reports)2010-10-14750R+2.04
Scott Rasmussen (Rasmussen Reports)2010-10-03750R+5.07
Harstad Strategic Research2010-10-03509D+3.01
Public Policy Polling2010-10-01834D+1.01
SurveyUSA2010-09-29647R+5.07
Marist College2010-09-27537R+8.010
Scott Rasmussen (Rasmussen Reports)2010-09-27750R+8.010
Scott Rasmussen (Rasmussen Reports)2010-09-251000R+4.06
GQR2010-09-24800D+2.00
Big Village2010-09-19860R+5.07
Scott Rasmussen (Rasmussen Reports)2010-09-14750R+4.06
ccAdvertising2010-09-13679D+2.31