VotePredictor
past elections

South Carolina Senate

Alvin Greene (D) vs Jim DeMint (R)

Actual result
R+33.8
Final polls said
R+37.0
1 late poll · ✓
Model predicted
R+36.9
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
1Crantford ResearchR+33.00.8
2VotePredictorR+36.93.0
3Scott Rasmussen (Rasmussen Reports)R+37.03.2
4Winthrop University Center for Public Opinion & Policy ResearchR+47.113.3

Polls (4)

PollsterDatenPollMiss
Scott Rasmussen (Rasmussen Reports)2010-10-19500R+37.03
Winthrop University Center for Public Opinion & Policy Research2010-10-07741R+47.113
Crantford Research2010-09-30634R+33.01
Scott Rasmussen (Rasmussen Reports)2010-09-22500R+43.09