1984Final results
1984 election for Illinois Legislative District 31
Illinois State Senate · Illinois
Adeline Jay Geokaris (R) won with 68.7% of the vote, defeating Bob Gesiakowski (D) by 37.3 points.
Adeline Jay GeokarisRepublican · winner · incumbent
68.7%37,792
Bob GesiakowskiDemocrat
31.3%17,255
55,047 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET