2018Final results
2018 election for Illinois Representative District 112
Illinois House of Representatives · Illinois
Katie Stuart (D) won with 55.1% of the vote, defeating Dwight D. Kay (R) by 10.1 points.
Katie StuartDemocrat · winner · incumbent
55.1%24,807
Dwight D. KayRepublican
44.9%20,239
45,046 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