Michigan Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...

's 15th Senate district is one of 38 districts in the

Michigan Senate The Michigan Senate is the upper house of the Michigan Legislature. Along with the Michigan House of Representatives, it composes the state legislature, which has powers, roles and duties defined by Article IV of the Michigan Constitution, ado ...

. The 15th district was created by the 1850

Michigan Constitution The Constitution of the State of Michigan is the governing document of the U.S. state of Michigan. It describes the structure and function of the state's government. There have been four constitutions approved by the people of Michigan. The fi ...

, as the 1835 constitution only permitted a maximum of eight senate districts. It has been represented by

Democrat Democrat, Democrats, or Democratic may refer to: Politics *A proponent of democracy, or democratic government; a form of government involving rule by the people. *A member of a Democratic Party: **Democratic Party (Cyprus) (DCY) **Democratic Part ...

Jeff Irwin since 2023, succeeding Republican Jim Runestad.

Geography

District 15 encompasses parts of Lenawee,

Monroe Monroe or Monroes may refer to: People and fictional characters * Monroe (surname) * Monroe (given name) * James Monroe, 5th President of the United States * Marilyn Monroe, actress and model Places United States * Monroe, Arkansas, an unincorp ...

, and Washtenaw counties.

2011 Apportionment Plan

District 15, as dictated by the 2011 Apportionment Plan, covered western

Oakland County Oakland County is a county in the U.S. state of Michigan. It is a principal county of the Detroit metropolitan area, containing the bulk of Detroit's northern suburbs. Its seat of government is Pontiac, and its largest city is Troy. As of the ...

in the outer suburbs of

Detroit Detroit ( , ) is the List of municipalities in Michigan, most populous city in the U.S. state of Michigan. It is situated on the bank of the Detroit River across from Windsor, Ontario. It had a population of 639,111 at the 2020 United State ...

, including the communities of Novi, West Bloomfield Township, Commerce Township, White Lake Township,

Wixom Wixom ( ) is a city in Oakland County in the U.S. state of Michigan. A northwestern suburb of Detroit, Wixom is located roughly from downtown Detroit. As of the 2020 census, the city's population was 17,193. The city was home to the now-demoli ...

, Lyon Township,

South Lyon South Lyon is a city in Oakland County in the U.S. state of Michigan. The population was 11,746 at the 2020 census, up from 11,327 at the 2010 census. Geography According to the United States Census Bureau, the city has a total area of , of wh ...

, Walled Lake, and most of Northville. The district overlapped with Michigan's 11th and 14th congressional districts, and with the 29th, 38th, 39th, 40th, and 44th districts of the

Michigan House of Representatives The Michigan House of Representatives is the lower house of the Michigan Legislature. There are 110 members, each of whom is elected from constituencies having approximately 77,000 to 91,000 residents, based on population figures from the 2020 ...

Geography

2011 Apportionment Plan

List of senators

Recent election results

2022

2018

2014

Federal and statewide results

Historical district boundaries

References