2006Final results
2006 election for Illinois's 18th District
U.S. House · Illinois
Ray LaHood (R) won with 67.3% of the vote, defeating Steve Waterworth (D) by 34.6 points.
Ray LaHoodRepublican · winner
67.3%150,194
Steve WaterworthDemocrat
32.7%73,052
223,246 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.
No DemocratRay LaHood
—
Raised by the campaign
$1.2M
—
Spent by the campaign
$1.3M
—
Cash on hand
$615K
Campaign money: FEC, through Dec 31, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006