1978Final results
1978 election for Illinois's 21st District
U.S. House · Illinois
Edward Madigan (R) won with 78.3% of the vote, defeating Ken Baughman (D) by 56.5 points.
Edward MadiganRepublican · winner
78.3%97,473
Ken BaughmanDemocrat
21.7%27,054
124,527 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET