1972Final results
1972 election for Illinois Legislative District 31
Illinois State Senate · Illinois
John H. Conolly (R) won with 56.9% of the vote, defeating Rolland J. Sandee (D) by 13.7 points.
John H. ConollyRepublican · winner
56.9%31,076
Rolland J. SandeeDemocrat
43.1%23,585
54,661 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