1980Final resultsIncumbent defeated
1980 election for Illinois Representative District 6
Illinois House of Representatives · Illinois
3 seats: Emil J. Boucek (R), Diana Nelson (R), John T. Oconnell (D) won.
3 seatsEmil J. BoucekRepublican · winner · incumbent
31.4%93,288
Diana NelsonRepublican · winner
27.9%82,750
John T. OconnellDemocrat · winner
20.8%61,673
Anne WillerDemocrat · incumbent
20.0%59,255
296,966 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET