2022Final results
2022 election for Illinois Representative District 104
Illinois House of Representatives · Illinois
Mike Marron (R) won with 54.0% of the vote, defeating Cynthia E. Cunningham (D) by 8.0 points.
Mike MarronRepublican · winner · incumbent
54.0%19,613
Cynthia E. CunninghamDemocrat
46.0%16,695
36,308 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET