2016Flipped from RepublicanFinal resultsIncumbent defeated
2016 election for Illinois Representative District 112
Illinois House of Representatives · Illinois
Katie Stuart (D) won with 51.6% of the vote, defeating Dwight D. Kay (R) by 3.2 points, a seat Republicans won last time.
Katie StuartDemocrat · winner
51.6%27,594
Dwight D. KayRepublican · incumbent
48.4%25,875
The same year, the district voted R+5.4 for president; this race was D+3.2, a split ticket.53,469 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET