1986 general · November 4, 1986
1986 Illinois State Senate election results, district by district
Every Illinois State Senate district in the 1986 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 59 seats
After the electionD 31 · R 28
Races40
Changed party2
Unopposed28%11 races
Incumbents defeated2
Every district
D 23 · R 17
Illinois State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner