1970Final results
1970 election for Illinois Representative District 1
Illinois House of Representatives · Illinois
3 seats: Brian B. Duff (R), Harold A. Katz (D), Bradley M. Glass (R) won.
3 seatsBrian B. DuffRepublican · winner
32.2%69,094
Harold A. KatzDemocrat · winner · incumbent
29.6%63,541
Bradley M. GlassRepublican · winner
25.6%55,039
Claude L. CarneyDemocrat
12.7%27,181
214,858 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET