VotePredictor
past elections

Colorado Senate

Ken Salazar (D) vs Pete Coors (R)

Actual result
D+4.8
Final polls said
D+3.1
14 late polls · ✓
Model predicted
D+2.9
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
1FM3 ResearchD+5.00.2
2SurveyUSAD+4.00.8
3Ciruli AssociatesD+4.00.8
4Public Opinion StrategiesD+6.01.2
5Global Strategy GroupD+6.01.2
6Harstad Strategic ResearchD+6.01.2
7VotePredictorD+2.91.9
8Tarrance GroupD+2.02.8
9Zogby AnalyticsD+8.03.2
10GallupD+1.03.8
11Mason-Dixon Polling & StrategyEVEN4.8
12Scott Rasmussen (Rasmussen Reports)R+1.05.8

Polls (23)

PollsterDatenPollMiss
SurveyUSA2004-10-31705D+4.01
Zogby Analytics2004-10-30600D+8.03
SurveyUSA2004-10-29622D+2.03
Zogby Analytics2004-10-26600D+11.06
Mason-Dixon Polling & Strategy2004-10-26625EVEN5
Public Opinion Strategies2004-10-26500D+6.01
FM3 Research2004-10-20400D+5.00
SurveyUSA2004-10-19596R+4.09
Global Strategy Group2004-10-18600D+6.01
Scott Rasmussen (Rasmussen Reports)2004-10-18500R+1.06
Harstad Strategic Research2004-10-17515D+6.01
Ciruli Associates2004-10-17600D+4.01
Gallup2004-10-16666D+1.04
Public Opinion Strategies2004-10-15500R+5.010
SurveyUSA2004-10-06594EVEN5
Gallup2004-10-05666D+11.06
Mason-Dixon Polling & Strategy2004-10-05625D+2.03
SurveyUSA2004-09-22625R+5.010
Scott Rasmussen (Rasmussen Reports)2004-09-16500R+1.06
Ciruli Associates2004-09-16600D+1.04
Tarrance Group2004-09-15500D+2.03
Public Opinion Strategies2004-09-12500D+11.06
Harstad Strategic Research2004-09-05679D+6.01