2010Flipped from DemocraticFinal results
2010 election for Illinois's 11th District
U.S. House · Illinois
Adam Kinzinger (R) won with 57.3% of the vote, defeating Deborah Halvorson (D) by 14.7 points, a seat Democrats won last time.
Adam KinzingerRepublican · winner
57.3%129,108
Deborah HalvorsonDemocrat
42.7%96,019
225,127 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 2010
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.
Deborah HalvorsonAdam Kinzinger
$2.7M
Raised by the campaign
$1.9M
$2.5M
Spent by the campaign
$1.8M
$244K
Cash on hand
$38.4K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010