VotePredictor
past elections

Illinois Governor

Glenn Poshard (D) vs George Ryan (R)

Actual result
R+3.6
Final polls said
R+13.6
7 late polls · ✓
Model predicted
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
1KRC ResearchR+2.01.6
2Mason-Dixon Polling & StrategyR+11.07.4
3Harris Insights & AnalyticsR+14.010.4
4Zogby AnalyticsR+14.010.4
5Market Shares Corp.R+15.011.4
6Richard Day ResearchR+21.017.4
7WCIA-TVR+26.022.4

Polls (14)

PollsterDatenPollMiss
Harris Insights & Analytics1998-10-30847R+14.010
Zogby Analytics1998-10-28703R+14.010
Richard Day Research1998-10-26712R+21.017
Mason-Dixon Polling & Strategy1998-10-25813R+11.07
Harris Insights & Analytics1998-10-201209R+18.014
KRC Research1998-10-19400R+2.02
Market Shares Corp.1998-10-191099R+15.011
WCIA-TV1998-10-14401R+26.022
Mason-Dixon Polling & Strategy1998-10-11830R+15.011
Richard Day Research1998-10-09905R+25.021
Market Shares Corp.1998-10-051099R+21.017
Market Shares Corp.1998-09-211099R+22.018
Mason-Dixon Polling & Strategy1998-09-13811R+12.08
KRC Research1998-09-09499R+18.014