2016Final results
2016 election for Illinois Representative District 20
Illinois House of Representatives · Illinois
Michael P. McAuliffe (R) won with 56.1% of the vote, defeating Merry Marwig (D) by 12.2 points.
Michael P. McAuliffeRepublican · winner · incumbent
56.1%25,739
Merry MarwigDemocrat
43.9%20,142
45,881 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