2006Final results
2006 election for Illinois's 6th District
U.S. House · Illinois
Peter J. Roskam (R) won with 51.4% of the vote, defeating Tammy Duckworth (D) by 2.7 points.
Peter J. RoskamRepublican · winner
51.4%91,382
Tammy DuckworthDemocrat
48.6%86,572
177,957 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.
Tammy DuckworthPeter J. Roskam
$4.6M
Raised by the campaign
$3.4M
$4.6M
Spent by the campaign
$3.3M
$6.9K
Cash on hand
$140.9K
Campaign money: FEC, through Dec 31, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006