2012Final results
2012 election for Illinois Representative District 90
Illinois House of Representatives · Illinois
Tom Demmer (R) won with 62.1% of the vote, defeating Thomas Boken Jr. (D) by 24.3 points.
Tom DemmerRepublican · winner
62.1%27,442
Thomas Boken Jr.Democrat
37.9%16,724
44,166 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET