2018Final results
2018 election for Illinois Representative District 107
Illinois House of Representatives · Illinois
Blaine Wilhour (R) won with 69.7% of the vote, defeating David J. Seiler (D) by 39.4 points.
Blaine WilhourRepublican · winner
69.7%27,112
David J. SeilerDemocrat
30.3%11,779
38,891 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