2020Final results
2020 election for Illinois Legislative District 43
Illinois State Senate · Illinois
John Connor (D) won with 64.5% of the vote, defeating Ben Bierly (R) by 29.1 points.
John ConnorDemocrat · winner
64.5%54,584
Ben BierlyRepublican
35.5%29,996
84,580 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET