1984Final results
1984 election for Illinois Representative District 21
Illinois House of Representatives · Illinois
John M. Vitek (D) won with 78.3% of the vote, defeating William A. Margalus (R) by 56.6 points.
John M. VitekDemocrat · winner · incumbent
78.3%20,436
William A. MargalusRepublican
21.7%5,664
26,100 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