2018Final results
2018 election for Illinois Representative District 15
Illinois House of Representatives · Illinois
John C. Damico (D) won with 61.5% of the vote, defeating Amanda Biela (R) by 23.0 points.
John C. DamicoDemocrat · winner · incumbent
61.5%21,908
Amanda BielaRepublican
38.5%13,714
35,622 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