2016Final results
2016 election for Illinois Representative District 48
Illinois House of Representatives · Illinois
Peter Breen (R) won with 56.5% of the vote, defeating Steve Swanson (D) by 13.1 points.
Peter BreenRepublican · winner · incumbent
56.5%30,793
Steve SwansonDemocrat
43.5%23,676
The same year, the district voted D+17.1 for president; this race was R+13.1, a split ticket.54,469 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET