2012Final resultsIncumbent defeated
2012 election for Illinois Legislative District 23
Illinois State Senate · Illinois
Thomas E. Cullerton (D) won with 51.2% of the vote, defeating Carole Pankau (R) by 2.4 points.
Thomas E. CullertonDemocrat · winner
51.2%40,829
Carole PankauRepublican · incumbent
48.8%38,920
79,749 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