1994Final results
1994 election for Illinois's 12th District
U.S. House · Illinois
Jerry F. Costello (D) won with 65.9% of the vote, defeating Jan Morris (R) by 31.8 points.
Jerry F. CostelloDemocrat · winner
65.9%101,391
Jan MorrisRepublican
34.1%52,419
153,810 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 1994
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.
Jerry F. CostelloJan Morris
$677.3K
Raised by the campaign
$44.6K
$499.8K
Spent by the campaign
$43.8K
$329.9K
Cash on hand
$827
Campaign money: FEC, through Dec 31, 1994.
Source: FEC campaign filingsUpdated Dec 31, 1994