VotePredictor
past elections

South Dakota Senate

Tom Daschle (D) vs John R. Thune (R)

Actual result
R+1.1
Final polls said
R+1.0
5 late polls · ✓
Model predicted
R+1.5
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
1VotePredictorR+1.50.4
2Zogby AnalyticsR+2.00.9
3Scott Rasmussen (Rasmussen Reports)R+3.01.9
4McLaughlin & AssociatesR+4.02.9
5GQRD+2.03.1
6Mason-Dixon Polling & StrategyD+2.03.1

Polls (10)

PollsterDatenPollMiss
Zogby Analytics2004-10-25800R+2.01
GQR2004-10-25640D+2.03
Scott Rasmussen (Rasmussen Reports)2004-10-25500R+3.02
McLaughlin & Associates2004-10-23400R+4.03
Mason-Dixon Polling & Strategy2004-10-20800D+2.03
Scott Rasmussen (Rasmussen Reports)2004-10-12500EVEN1
Scott Rasmussen (Rasmussen Reports)2004-09-27679R+4.03
Zogby Analytics2004-09-26500D+2.03
Mason-Dixon Polling & Strategy2004-09-21800D+5.06
Scott Rasmussen (Rasmussen Reports)2004-09-08679R+3.02