2006Final results
2006 election for Illinois Legislative District 40
Illinois State Senate · Illinois
Debbie Defranceshalvorson (D) won with 69.9% of the vote, defeating Joseph M. Maun (R) by 39.7 points.
Debbie DefranceshalvorsonDemocrat · winner · incumbent
69.9%38,424
Joseph M. MaunRepublican
30.1%16,575
54,999 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 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET