This is the 1976 race. The latest: 2026 →

1976Final results

1976 election for Illinois Representative District 42

Illinois House of Representatives · Illinois

3 seats: Harry D. Leinenweber (R), Leroy Vanduyne (D), Jack Davis (R) won.

3 seats
Harry D. LeinenweberRepublican · winner · incumbent
27.9%73,144
Leroy VanduyneDemocrat · winner · incumbent
27.3%71,534
Jack DavisRepublican · winner
23.3%60,936
21.5%56,399
262,013 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 1976

Races before and after

EvenR+13.91972D+11.51974R+3.91976R+16.51978R+28.51980R+34.61982

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