1990Final results
1990 election for Illinois Representative District 30
Illinois House of Representatives · Illinois
Michael Madigan (D) won with 76.0% of the vote, defeating Shirley A. Kaczanowski (R) by 53.7 points.
Michael MadiganDemocrat · winner · incumbent
76.0%24,721
Shirley A. KaczanowskiRepublican
22.3%7,245
Stanley J. GrucaOther party
1.7%564
32,530 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The candidates
Michael Madigan (D)Shirley A. Kaczanowski (R)
Also on the ballot: Stanley J. Gruca (Other party), 1.7%