This is the 1972 race. The latest: 2026 →

1972Final results

1972 election for Illinois Legislative District 18

Illinois State Senate · Illinois

Philip J. Rock (D) won with 50.3% of the vote, defeating Elmer W. Conti (R) by 0.6 points.

Philip J. RockDemocrat · winner · incumbent
50.3%40,509
Elmer W. ContiRepublican
49.7%40,021
80,538 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

EvenD+19.91976D+39.81980D+82.61986D+69.71988R+16.01992D+18.51996

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET