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Michigan State Senate elections

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This page displays election information for the Michigan State Senate.

Elections

Michigan state senators serve four-year terms, with all seats up for election every four years. Michigan holds elections for its legislature in even years.

2026

See also: Michigan State Senate elections, 2026

Elections for the Michigan State Senate will take place in 2026. The general election is on November 3, 2026.

2022

See also: Michigan State Senate elections, 2022

Elections for the Michigan State Senate took place in 2022. The general election was on November 8, 2022. A primary was scheduled for August 2, 2022. The filing deadline was April 19, 2022.

In the 2022 elections, Democrats gained the majority in the Michigan State Senate with 20-18.

Michigan State Senate
Party As of November 8, 2022 After November 9, 2022
     Democratic Party 16 20
     Republican Party 22 18
Total 38 38

2018

See also: Michigan State Senate elections, 2018

Elections for the Michigan State Senate took place in 2018. The open primary election took place on August 7, 2018, and the general election was held on November 6, 2018. The candidate filing deadline was April 24, 2018.[1]

In the 2018 elections, the Republican majority in the Michigan State Senate was reduced from 27-10 to 22-16.

Michigan State Senate
Party As of November 6, 2018 After November 7, 2018
     Democratic Party 10 16
     Republican Party 27 22
     Vacancy 1 0
Total 38 38


Historical party control

Democrats won a 20-18 majority in the Michigan State Senate in 2022, gaining control of the chamber for the first time since 1984.

The table below shows the partisan history of the Michigan Senate following every general election from 1990 to 2022. All data from 2006 or earlier comes from Michael Dubin's Party Affiliations in the State Legislatures (McFarland Press, 2007). Data after 2006 was compiled by Ballotpedia staff.

Michigan State Senate election results: 1990-2022

Year '90 '94 '98 '02 '06 '10 '14 '18 '22
Democrats 18 16 15 16 17 12 11 16 20
Republicans 20 22 23 22 21 26 27 22 18

Trifecta history

A state government trifecta is a term that describes single-party government, when one political party holds the governor's office and has majorities in both chambers of the legislature in a state government. Between 1992 and 2023, Michigan was under the following types of trifecta control:

  • Democratic trifecta: 2023
  • Republican trifecta: 1995-1996, 1999-2002, 2011-2018
  • Divided government: 1992-1994, 1997-1998, 2003-2010, 2019-2022

Michigan Party Control: 1992-2025
Two years of Democratic trifectas  •  Fourteen years of Republican trifectas
Scroll left and right on the table below to view more years.

Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Governor R R R R R R R R R R R D D D D D D D D R R R R R R R R D D D D D D D
Senate R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R D D D
House D S S R R D D R R R R R R R R D D D D R R R R R R R R R R R R D D R

Footnotes

  1. ↑ Michigan.gov, "2018 Michigan election dates," accessed November 9, 2017
  2. ↑ Follow the Money, "Michigan 2010 - Candidates," accessed September 3, 2014
  3. ↑ Follow the Money, "Michigan 2006 - Candidates," accessed August 23, 2013
  4. ↑ Follow the Money, "Michigan 2002 - Candidates," accessed August 23, 2013
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