1992Final results
1992 election for Illinois Representative District 105
Illinois House of Representatives · Illinois
William B. Black (R) won with 64.0% of the vote, defeating Roger D. Boen (D) by 28.0 points.
William B. BlackRepublican · winner · incumbent
64.0%26,724
Roger D. BoenDemocrat
36.0%15,024
41,748 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