1986Final results
1986 election for Illinois's 13th District
U.S. House · Illinois
Harris W. Farewell (R) won with 73.4% of the vote, defeating Dominick J. Jeffrey (D) by 46.8 points.
Harris W. FarewellRepublican · winner
73.4%107,227
Dominick J. JeffreyDemocrat
26.6%38,874
146,101 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET