2010Final results
2010 election for Michigan Senate District 34
Michigan State Senate · Michigan
Goeff Hansen (R) won with 59.6% of the vote, defeating Mary Valentine (D) by 19.2 points.
Goeff HansenRepublican · winner
59.6%49,065
Mary ValentineDemocrat
40.4%33,261
82,326 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