2008Final results
2008 election for Illinois Representative District 115
Illinois House of Representatives · Illinois
Mike Bost (R) won with 57.5% of the vote, defeating Cheryl Graff (D) by 21.7 points.
Mike BostRepublican · winner · incumbent
57.5%26,506
Cheryl GraffDemocrat
35.9%16,515
Charlie HoweGreen
6.6%3,041
46,062 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2008
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET