2006Final results
2006 election for Illinois's 13th District
U.S. House · Illinois
Judy Biggert (R) won with 58.3% of the vote, defeating Joseph Shannon (D) by 16.7 points.
Judy BiggertRepublican · winner
58.3%119,720
Joseph ShannonDemocrat
41.7%85,507
205,234 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 2006
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.
Joseph ShannonJudy Biggert
$206.3K
Raised by the campaign
$920.1K
$205.9K
Spent by the campaign
$1M
$378
Cash on hand
$211.1K
Campaign money: FEC, through Dec 31, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006