1978Final results
1978 election for Illinois Legislative District 38
Illinois State Senate · Illinois
John E. Grotberg (R) won with 69.8% of the vote, defeating John P. Quillin (D) by 39.5 points.
John E. GrotbergRepublican · winner · incumbent
69.8%39,106
John P. QuillinDemocrat
30.2%16,947
56,053 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET