2018Final results
2018 election for Illinois Representative District 115
Illinois House of Representatives · Illinois
Terri Bryant (R) won with 59.0% of the vote, defeating Marsha Griffin (D) by 18.0 points.
Terri BryantRepublican · winner · incumbent
59.0%24,512
Marsha GriffinDemocrat
41.0%17,050
41,562 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