1988Final results
1988 election for Illinois Legislative District 40
Illinois State Senate · Illinois
Aldo A. Deangelis (R) won with 66.1% of the vote, defeating Louis Caprio (D) by 32.2 points.
Aldo A. DeangelisRepublican · winner · incumbent
66.1%45,406
Louis CaprioDemocrat
33.9%23,268
68,674 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET