Michigan's 13th Senate district is one of 38 districts in the Michigan Senate. The 13th district was created by the 1850 Michigan Constitution, as the 1835 constitution only permitted a maximum of eight senate districts. It has been represented by Democrat Rosemary Bayer since 2023, following her victory over Republican Jason Rhines.

Geography District 13 encompasses parts of Oakland and Wayne counties.

2011 Apportionment Plan District 13, as dictated by the 2011 Apportionment Plan, covered eastern Oakland County in the northern suburbs of Detroit, including Troy, Rochester Hills, Royal Oak, Berkley, Clawson, Birmingham, Bloomfield Hills, and Rochester.

The district was split among Michigan's 8th, 9th, and 11th congressional districts, and overlapped with the 26th, 27th, 40th, 41st, and 45th districts of the Michigan House of Representatives.

List of senators Senator Party Dates Residence Notes Charles Dickey Whig 1853–1854 Marshall Erastus Hussey Republican 1855–1856 Battle Creek Nathan Pierce Republican 1857–1858 Marengo Charles T. Gorham Republican 1859–1860 Marshall George H. French Republican 1861–1864 Homer Victory P. Collier Republican 1865–1866 Battle Creek Cyrus G. Luce Republican 1867–1868 Gilead John H. Jones Republican 1869–1870 Quincy Caleb D. Randall Republican 1871–1872 Coldwater David Anderson Republican 1873–1874 Bear Lake Mills Albert Thompson Republican 1875–1876 South Haven William Chamberlain Republican 1877–1880 Three Oaks Thomas Mars Republican 1881–1882 Berrien Center Henry F. Pennington Democratic 1883–1884 Charlotte John Carveth Republican 1885–1886 Middleville William A. Atwood Republican 1887–1888 Flint William Ball Republican 1889–1890 Hamburg John R. Benson PatronsThe Patrons of Industry were a farming organization founded in Port Huron, Michigan which, by 1890, had begun participating in political action independent of other political parties at the state level. 1891–1892 Mount Morris Also endorsed by the Democrats. Jesse D. Crane Republican 1893–1894 Fenton Ransom C. Johnson Republican 1895–1896 Flint George W. Teeple Republican 1897–1898 Pinckney Ira Terry Sayre Republican 1899–1900 Flushing William S. Pierson Republican 1901–1902 Flint George Barnes Republican 1903–1904 Howell James F. Rumer Republican 1905–1906 Davison Thomas J. Allen Republican 1907–1908 Flint Francis J. Shields Republican 1909–1910 Howell Leonard Freeman Republican 1911–1912 Fenton Edwin J. Curts Progressive 1913–1914 Flint George A. Barnes Republican 1915–1916 Flint Hugh A. Stewart Republican 1917–1918 Flint Claude M. Stoddard Republican 1919–1920 Davison Henry T. Ross Republican 1921–1924 Milford Warren J. Hinkley Republican 1925–1926 Flushing Peter B. Lennon Republican 1927–1932 Lennon William Palmer Democratic 1933–1937 Flint Resigned. David M. Martin Democratic 1939–1940 Flint Robert B. McLaughlin Democratic 1941–1944 Flint Robert J. MacDonald Democratic 1945–1946 Flint John A. Wright Republican 1947–1948 Flint Garland B. Lane Democratic 1949–1964 Flint Terry L. Troutt Democratic 1965–1966 Romulus William Faust Democratic 1967–1982 Westland Robert A. Welborn Republican 1983–1985 Kalamazoo Died in office. Jack Welborn Republican 1985–1994 Kalamazoo Mike Bouchard Republican 1995–1999 Birmingham Resigned after appointed Oakland County sheriff. Shirley Johnson Republican 1999–2006 Royal Oak John Pappageorge Republican 2007–2014 Troy Marty Knollenberg Republican 2015–2018 Troy Mallory McMorrow Democratic 2019–2022 Royal Oak Rosemary Bayer Democratic 2023–present West Bloomfield Lived in Keego Harbor until around 2023.

Recent election results 2022

2018

2014

Federal and statewide results Year Office Results 2020 President Biden 57.1 – 41.5% 2018 Senate Stabenow 55.1 – 43.7% Governor Whitmer 56.0 – 41.8% 2016 President Clinton 50.4 – 44.4% 2014 Senate Peters 52.1 – 44.3% Governor Snyder 62.1 – 36.3% 2012 President Romney 50.0 – 49.2% Senate Stabenow 52.8 – 44.0%

Historical district boundaries

Map Description Apportionment Plan Notes Wayne County (part) Belleville Canton Township Dearborn Heights (part) Garden City Huron Township Inkster (part) Nankin Township Romulus Township Taylor Township (part) Van Buren Township Wayne 1964 Apportionment Plan Washtenaw County (part) Ypsilanti Township (part) Wayne County (part) Belleville Canton Township Garden City Romulus Township Sumpter Township Taylor (part) Van Buren Township Wayne Westland (part) 1972 Apportionment Plan Barry County Ionia County Kalamazoo County (part) Cooper Township Kalamazoo Kalamazoo Township (part) Richland Township Montcalm County 1982 Apportionment Plan Oakland County (part) Birmingham Bloomfield Hills Clawson Ferndale Hazel Park Huntington Woods Madison Heights Pleasant Ridge Royal Oak Troy 1992 Apportionment Plan Oakland County (part) Berkley Birmingham Bloomfield Hills Bloomfield Township Clawson Madison Heights Royal Oak Troy 2001 Apportionment Plan Oakland County (part) Berkley Birmingham Bloomfield Hills Clawson Rochester Rochester Hills Royal Oak Troy 2011 Apportionment Plan

Notes

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