2010Final results
2010 election for Illinois Legislative District 43
Illinois State Senate · Illinois
Arthur Wilhelmi (D) won with 61.2% of the vote, defeating Cedra Crenshaw (R) by 22.4 points.
Arthur WilhelmiDemocrat · winner · incumbent
61.2%38,663
Cedra CrenshawRepublican
38.8%24,536
63,199 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