2020Final results
2020 election for Illinois Representative District 109
Illinois House of Representatives · Illinois
Adam Niemerg (R) won with 82.1% of the vote, defeating John Spencer (D) by 64.3 points.
Adam NiemergRepublican · winner
82.1%43,100
John SpencerDemocrat
17.9%9,366
52,466 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