2000Final results
2000 election for Illinois's 20th District
U.S. House · Illinois
John Shimkus (R) won with 63.1% of the vote, defeating Jeffrey S. Cooper (D) by 26.2 points.
John ShimkusRepublican · winner
63.1%161,393
Jeffrey S. CooperDemocrat
36.9%94,382
255,775 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 2000
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.
Jeffrey S. CooperJohn Shimkus
$249K
Raised by the campaign
$844K
$249K
Spent by the campaign
$645.9K
$86
Cash on hand
$402.4K
Campaign money: FEC, through Dec 31, 2000.
Source: FEC campaign filingsUpdated Dec 31, 2000