1988Final results
1988 election for Illinois's 12th District
U.S. House · Illinois
Philip Crane (R) won with 75.2% of the vote, defeating John A. Leonardi (D) by 50.4 points.
Philip CraneRepublican · winner
75.2%165,913
John A. LeonardiDemocrat
24.8%54,769
220,682 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 1988
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 A. LeonardiPhilip Crane
$11.8K
Raised by the campaign
$466.9K
$12K
Spent by the campaign
$480.5K
$2
Cash on hand
$115.8K
Campaign money: FEC, through Dec 31, 1988.
Source: FEC campaign filingsUpdated Dec 31, 1988