1972Final results
1972 election for Illinois Representative District 31
Illinois House of Representatives · Illinois
3 seats: Adeline Jay Geokaris (R), Ronald E. Griesheimer (R), John S. Matijevich (D) won.
3 seatsAdeline Jay GeokarisRepublican · winner
28.1%46,497
Ronald E. GriesheimerRepublican · winner
27.5%45,549
John S. MatijevichDemocrat · winner · incumbent
24.2%39,996
William L. ClarkDemocrat
20.2%33,358
165,400 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 1972
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET