2010Flipped from DemocraticFinal results
2010 election for Michigan Senate District 31
Michigan State Senate · Michigan
Mike Green (R) won with 58.5% of the vote, defeating Jeff Mayes (D) by 17.0 points, a seat Democrats won last time.
Mike GreenRepublican · winner
58.5%51,678
Jeff MayesDemocrat
41.5%36,629
88,307 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET