2010Final results
2010 election for Illinois's 18th District
U.S. House · Illinois
Aaron Schock (R) won with 69.1% of the vote, defeating Deirdre "d K" Hirner (D) by 43.3 points.
Aaron SchockRepublican · winner
69.1%152,868
Deirdre "d K" HirnerDemocrat
25.8%57,046
Sheldon SchaferGreen
5.1%11,256
221,170 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.
Deirdre "d K" HirnerAaron Schock
$138.1K
Raised by the campaign
$2.4M
$138.1K
Spent by the campaign
$1.4M
$0
Cash on hand
$1M
Other candidates' campaigns: Sheldon Schafer $4.1K.
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010