1984Final results
1984 election for Illinois's 15th District
U.S. House · Illinois
Edward Madigan (R) won with 73.2% of the vote, defeating John M. Hoffmann (D) by 46.5 points.
Edward MadiganRepublican · winner
73.2%149,096
John M. HoffmannDemocrat
26.8%54,516
203,613 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 1984
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
John M. HoffmannEdward Madigan
$31.5K
Raised by the campaign
$291.1K
$31.5K
Spent by the campaign
$206.5K
$41
Cash on hand
$136.9K
Campaign money: FEC, through Oct 17, 1984; FEC, through Dec 31, 1984.
Source: FEC campaign filingsUpdated Dec 31, 1984