2016Final results
2016 election for Illinois Representative District 66
Illinois House of Representatives · Illinois
Allen Skillicorn (R) won with 57.6% of the vote, defeating Nancy Zettler (D) by 15.2 points.
Allen SkillicornRepublican · winner
57.6%27,295
Nancy ZettlerDemocrat
42.4%20,083
47,378 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