2008Flipped from RepublicanFinal results
2008 election for Illinois Representative District 66
Illinois House of Representatives · Illinois
Mark Walker (D) won with 52.5% of the vote, defeating Christine K. Prochno (R) by 4.9 points, a seat Republicans won last time.
Mark WalkerDemocrat · winner
52.5%21,758
Christine K. ProchnoRepublican
47.5%19,710
41,468 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