VotePredictor
past elections

Nevada Senate

Harry Reid (D) vs Richard Ziser (R)

Actual result
D+25.9
Final polls said
D+26.4
5 late polls · ✓
Model predicted
D+24.2
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
1VotePredictorD+24.21.7
2Zogby AnalyticsD+24.01.9
3Mason-Dixon Polling & StrategyD+24.01.9
4Belden RussonelloD+34.08.1
5Scott Rasmussen (Rasmussen Reports)D+12.013.9

Polls (8)

PollsterDatenPollMiss
Zogby Analytics2004-10-30603D+24.02
Zogby Analytics2004-10-26600D+23.03
Mason-Dixon Polling & Strategy2004-10-26625D+24.02
Belden Russonello2004-10-18600D+34.08
Mason-Dixon Polling & Strategy2004-10-17625D+27.01
Belden Russonello2004-09-24600D+26.00
Scott Rasmussen (Rasmussen Reports)2004-09-14500D+12.014
Mason-Dixon Polling & Strategy2004-09-13625D+20.06