2010Final results
2010 election for Illinois Representative District 12
Illinois House of Representatives · Illinois
Sara Feigenholtz (D) won with 68.9% of the vote, defeating Dave Lenkowski (R) by 37.9 points.
Sara FeigenholtzDemocrat · winner · incumbent
68.9%22,272
Dave LenkowskiRepublican
31.1%10,031
32,303 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