2010Final results
2010 election for Illinois Legislative District 10
Illinois State Senate · Illinois
John G. Mulroe (D) won with 55.4% of the vote, defeating Brian G. Doherty (R) by 10.8 points.
John G. MulroeDemocrat · winner
55.4%30,087
Brian G. DohertyRepublican
44.6%24,203
54,290 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