1996Flipped from RepublicanFinal resultsIncumbent defeated
1996 election for Illinois Legislative District 40
Illinois State Senate · Illinois
Debbie Defranceshalvorson (D) won with 55.6% of the vote, defeating Aldo A. Deangelis (R) by 11.3 points, a seat Republicans won last time.
Debbie DefranceshalvorsonDemocrat · winner
55.6%40,813
Aldo A. DeangelisRepublican · incumbent
44.4%32,554
73,367 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 1996
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET