2012Final results
2012 election for Illinois Representative District 104
Illinois House of Representatives · Illinois
Chad Hays (R) won with 63.5% of the vote, defeating Michael Langendorf (D) by 26.9 points.
Chad HaysRepublican · winner · incumbent
63.5%26,479
Michael LangendorfDemocrat
36.5%15,240
41,719 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