This is the 1986 race. The latest: 2026 →

1986Final results

1986 election for Illinois Representative District 48

Illinois House of Representatives · Illinois

Robert M. Terzich (D) won with 57.2% of the vote, defeating Phillip Bianco Jr. (R) by 14.4 points.

Robert M. TerzichDemocrat · winner · incumbent
57.2%21,139
42.8%15,804
36,943 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 1986

Races before and after

EvenR+0.61980D+47.01982D+19.11984D+14.41986D+0.41988D+18.01990

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