2010Flipped from RepublicanFinal results
2010 election for Illinois Representative District 17
Illinois House of Representatives · Illinois
Daniel Biss (D) won with 54.8% of the vote, defeating Hamilton Chang (R) by 9.6 points, a seat Republicans won last time.
Daniel BissDemocrat · winner
54.8%23,134
Hamilton ChangRepublican
45.2%19,096
42,230 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET