2022Final results
2022 election for Illinois Legislative District 27
Illinois State Senate · Illinois
Ann Gillespie (D) won with 59.1% of the vote, defeating Bill Robertson (R) by 18.1 points.
Ann GillespieDemocrat · winner · incumbent
59.1%40,774
Bill RobertsonRepublican
40.9%28,265
69,039 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET