1984Final results
1984 election for Michigan's 9th District
U.S. House · Michigan
Guy Vander Jagt (R) won with 70.9% of the vote, defeating John Michael Senger (D) by 42.1 points.
Guy Vander JagtRepublican · winner
70.9%150,885
John Michael SengerDemocrat
28.8%61,233
Nicholas HamiltonLibertarian
0.3%680
212,805 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 1984
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
John Michael SengerGuy Vander Jagt
$56.7K
Raised by the campaign
$379.9K
$56.1K
Spent by the campaign
$359.6K
$540
Cash on hand
$73.3K
Campaign money: FEC, through Dec 31, 1984.
Source: FEC campaign filingsUpdated Dec 31, 1984