2008Final results
2008 election for Illinois Representative District 84
Illinois House of Representatives · Illinois
Tom Cross (R) won with 59.8% of the vote, defeating Dennis Grosskopf (D) by 19.6 points.
Tom CrossRepublican · winner · incumbent
59.8%45,491
Dennis GrosskopfDemocrat
40.2%30,610
76,101 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