1980Final results
1980 election for Illinois's 15th District
U.S. House · Illinois
Tom Corcoran (R) won with 76.7% of the vote, defeating John P. Quillin (D) by 53.5 points.
Tom CorcoranRepublican · winner
76.7%150,898
John P. QuillinDemocrat
23.3%45,721
196,619 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 1980
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.
No DemocratTom Corcoran
—
Raised by the campaign
$146.1K
—
Spent by the campaign
$97.9K
—
Cash on hand
$0
Campaign money: FEC, through Dec 31, 1980.
Source: FEC campaign filingsUpdated Dec 31, 1980