1978Final results
1978 election for Michigan House District 40
Michigan House of Representatives · Michigan
James E. Hadden (R) won with 52.7% of the vote, defeating John W. Underwood (D) by 5.3 points.
James E. HaddenRepublican · winner
52.7%13,024
John W. UnderwoodDemocrat
47.3%11,704
24,735 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET