2012Final results
2012 election for Illinois Legislative District 30
Illinois State Senate · Illinois
Terry Link (D) won with 66.6% of the vote, defeating Don Castella (R) by 33.3 points.
Terry LinkDemocrat · winner · incumbent
66.6%44,274
Don CastellaRepublican
33.4%22,173
66,447 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