2020Final results
2020 election for Illinois Representative District 105
Illinois House of Representatives · Illinois
Dan Brady (R) won with 62.7% of the vote, defeating Chemberly Cummings (D) by 25.3 points.
Dan BradyRepublican · winner · incumbent
62.7%35,324
Chemberly CummingsDemocrat
37.3%21,050
56,374 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