The Michigan Senate elections of 2018 took place on November 6, 2018, alongside elections to be Michigan's governor, Class I United States Senator, Attorney General, Secretary of State as well elections for Michigan's 14 seats in the United States House of Representatives and all 110 seats in the Michigan House of Representatives; to elect the 38 members that will comprise the Michigan Senate. The Republican, Democratic and Libertarian parties chose their nominees in a partisan primary on August 7, 2018. The Working Class Party, U.S. Taxpayers Party, Green Party and Natural Law Party chose their nominees at state party conventions.
Term-limited members.
Under the Michigan Constitution, members of the state Senate are able to serve only two four-year terms, and members of the House of Representatives are limited to three two-year terms. Michigan has what are considered the toughest term-limits in the country. After the 2018 mid-term elections, nearly 70 percent of the state Senate and 20 percent of the state House will be forced to leave office because of term-limits. The following members are prevented by term-limits from seeking re-election to the Senate in 2018. This list does not include members that are eligible for re-election, but instead chose to seek other office or voluntarily to retire.
Results.
Closest races.
Seats where the margin of victory was under 10%:
General election.
Pending official certification by the Michigan Board of State Canvassers, the following candidates, listed alphabetically, advanced to the November general election.
District 1.
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District 2.
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District 3.
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District 4.
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District 5.
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District 6.
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District 7.
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District 8.
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District 9.
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District 10.
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! colspan="3" style="text-align:right;" | Total votes
District 11.
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! colspan="3" style="text-align:right;" | Total votes
District 12.
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District 13.
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District 14.
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District 15.
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District 16.
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District 17.
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District 18.
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District 19.
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District 20.
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District 21.
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! colspan="3" style="text-align:right;" | Total votes
District 22.
! scope="col" colspan="2" style="width: 15em" |Party
! scope="col" style="width: 17em" |Candidate
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! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
District 23.
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! colspan="3" style="text-align:right;" | Total votes
District 24.
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! colspan="3" style="text-align:right;" | Total votes
District 25.
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! colspan="3" style="text-align:right;" | Total votes
District 26.
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! colspan="3" style="text-align:right;" | Total votes
District 27.
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! colspan="3" style="text-align:right;" | Total votes
District 28.
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! colspan="3" style="text-align:right;" | Total votes
District 29.
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! colspan="3" style="text-align:right;" | Total votes
District 30.
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! colspan="3" style="text-align:right;" | Total votes
District 31.
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! colspan="3" style="text-align:right;" | Total votes
District 32.
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! colspan="3" style="text-align:right;" | Total votes
District 33.
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! colspan="3" style="text-align:right;" | Total votes
District 34.
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! colspan="3" style="text-align:right;" | Total votes
District 35.
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! colspan="3" style="text-align:right;" | Total votes
District 36.
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! colspan="3" style="text-align:right;" | Total votes
District 37.
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! colspan="3" style="text-align:right;" | Total votes
District 38.
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! scope="col" style="width: 17em" |Candidate
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! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
References.
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