2008Final results
2008 election for Illinois Representative District 20
Illinois House of Representatives · Illinois
Michael P. McAuliffe (R) won with 59.4% of the vote, defeating Michael C. Marzullo (D) by 18.8 points.
Michael P. McAuliffeRepublican · winner · incumbent
59.4%23,966
Michael C. MarzulloDemocrat
40.6%16,374
40,340 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