2018Final results
2018 election for Illinois's 11th District
U.S. House · Illinois
Bill Foster (D) won with 63.8% of the vote, defeating Nick Stella (R) by 27.7 points.
Bill FosterDemocrat · winner
63.8%145,407
Nick StellaRepublican
36.2%82,358
227,765 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Bill FosterNick Stella
$2.7M
Raised by the campaign
$293.8K
$1.8M
Spent by the campaign
$291.4K
$3.2M
Cash on hand
$3.4K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018