2008Final results
2008 election for Illinois Representative District 104
Illinois House of Representatives · Illinois
William B. Black (R) won with 64.3% of the vote, defeating Lori A. Deyoung (D) by 28.6 points.
William B. BlackRepublican · winner · incumbent
64.3%27,621
Lori A. DeyoungDemocrat
35.7%15,344
42,965 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