2020Final results
2020 election for Illinois Representative District 18
Illinois House of Representatives · Illinois
Robyn Gabel (D) won with 72.3% of the vote, defeating Sean Matlis (Oth) by 44.6 points.
Robyn GabelDemocrat · winner · incumbent
72.3%43,607
Sean MatlisOther party
27.7%16,699
60,306 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET