1984Flipped from DemocraticFinal resultsIncumbent defeated
1984 election for Illinois Representative District 80
Illinois House of Representatives · Illinois
Robert P. Regan (R) won with 51.5% of the vote, defeating Jim Marzuki (D) by 3.1 points, a seat Democrats won last time.
Robert P. ReganRepublican · winner
51.5%17,793
Jim MarzukiDemocrat · incumbent
48.5%16,726
34,519 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