1978Final results
1978 election for Michigan's 9th District
U.S. House · Michigan
Guy Vander Jagt (R) won with 69.6% of the vote, defeating Howard M. Leroux (D) by 39.2 points.
Guy Vander JagtRepublican · winner
69.6%122,363
Howard M. LerouxDemocrat
30.4%53,450
175,819 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