2008Final results
2008 election for Illinois Representative District 48
Illinois House of Representatives · Illinois
Michael G. Connelly (R) won with 58.1% of the vote, defeating Joseph Heneghan (D) by 16.1 points.
Michael G. ConnellyRepublican · winner
58.1%29,649
Joseph HeneghanDemocrat
41.9%21,404
51,053 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