1978Final results
1978 election for Illinois's 10th District
U.S. House · Illinois
Abner J. Mikva (D) won with 50.2% of the vote, defeating John Porter (R) by 0.4 points.
Abner J. MikvaDemocrat · winner
50.2%89,479
John PorterRepublican
49.8%88,829
178,309 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 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET