1978Final resultsIncumbent defeated
1978 election for Illinois Representative District 46
Illinois House of Representatives · Illinois
3 seats: Fred J. Tuerk (R), Mary Lou Sumner (R), Fred J. Schraeder (D) won.
3 seatsFred J. TuerkRepublican · winner · incumbent
25.7%38,722
Mary Lou SumnerRepublican · winner · incumbent
25.0%37,671
Fred J. SchraederDemocrat · winner
24.9%37,650
Joseph C. MuddDemocrat · incumbent
24.4%36,885
150,939 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET