2002Final results
2002 election for Illinois Representative District 104
Illinois House of Representatives · Illinois
William B. Black (R) won with 76.9% of the vote, defeating Charles D. Mattis (D) by 53.9 points.
William B. BlackRepublican · winner · incumbent
76.9%24,193
Charles D. MattisDemocrat
23.1%7,248
31,441 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 2002
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET