2012Final resultsIncumbent defeated
2012 election for Illinois Representative District 59
Illinois House of Representatives · Illinois
Carol Sente (D) won with 56.2% of the vote, defeating Sidney Mathias (R) by 12.5 points.
Carol SenteDemocrat · winner · incumbent
56.2%22,060
Sidney MathiasRepublican · incumbent
43.8%17,171
39,231 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