2018Final results
2018 election for Illinois Representative District 47
Illinois House of Representatives · Illinois
Deanne Marie Mazzochi (R) won with 51.5% of the vote, defeating James M. Caffrey (D) by 3.1 points.
Deanne Marie MazzochiRepublican · winner
51.5%26,515
James M. CaffreyDemocrat
48.5%24,938
51,453 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET