1970Final results
1970 election for Illinois Legislative District 39
Illinois State Senate · Illinois
Jack T. Knuepfer (R) won with 62.9% of the vote, defeating Robert H. Renshaw (D) by 25.9 points.
Jack T. KnuepferRepublican · winner · incumbent
62.9%48,116
Robert H. RenshawDemocrat
37.1%28,342
76,458 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