1978Final results
1978 election for Michigan Senate District 31
Michigan State Senate · Michigan
Robert Vanderlaan (R) won with 70.3% of the vote, defeating Betsy J. Flory (D) by 40.5 points.
Robert VanderlaanRepublican · winner · incumbent
70.3%65,129
Betsy J. FloryDemocrat
29.7%27,549
92,679 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