1992Final resultsIncumbent defeated
1992 election for Illinois Representative District 80
Illinois House of Representatives · Illinois
John A. Ostenburg (D) won with 54.0% of the vote, defeating Robert P. Regan (R) by 8.0 points.
John A. OstenburgDemocrat · winner
54.0%20,968
Robert P. ReganRepublican · incumbent
46.0%17,855
38,823 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 1992
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET