1984Final resultsSpecial election
1984 special election for Illinois Legislative District 59
Illinois State Senate · Illinois
Glenn Poshard (D) won with 51.2% of the vote, defeating Robert C. Winchester (R) by 8.7 points.
Glenn PoshardDemocrat · winner
51.2%47,206
Robert C. WinchesterRepublican
42.5%39,201
Eve JohnsOther party
6.4%5,877
92,284 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET