1982Final resultsIncumbent defeated
1982 election for Illinois Representative District 83
Illinois House of Representatives · Illinois
Leroy Vanduyne (D) won with 60.0% of the vote, defeating Harry D. Leinenweber (R) by 20.1 points.
Leroy VanduyneDemocrat · winner · incumbent
60.0%17,562
Harry D. LeinenweberRepublican · incumbent
40.0%11,692
29,255 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 1982
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET