1970Final results
1970 election for Illinois Legislative District 37
Illinois State Senate · Illinois
William C. Harris (R) won with 63.0% of the vote, defeating Robert P. Hendon (D) by 26.0 points.
William C. HarrisRepublican · winner · incumbent
63.0%36,911
Robert P. HendonDemocrat
37.0%21,693
58,604 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