Michigan State Senate District 23

State Legislative District Profile (Upper Chamber)

Overview

District ID
mi-sd-023
State
Michigan
Chamber
Upper chamber (state senate)
District Code
023
Land Area
290.9 sq mi
Water Area
17.9 sq mi

Boundary

Boundary of Michigan State Senate District 23

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Oakland County290.77 sq mi99.9%33.5%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Wixom city9.14 sq mi3.1%100.0%
South Lyon city3.74 sq mi1.3%100.0%
Milford village2.45 sq mi0.8%100.0%
Wolverine Lake village1.26 sq mi0.4%100.0%
Village of Clarkston city0.44 sq mi0.2%99.9%
Novi city0.32 sq mi0.1%1.1%

Showing all 6 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MI District 11140,50052.4%18.1%29.8%
MI District 982,97730.9%10.7%49.1%
MI District 744,65816.7%5.8%21.1%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
222,989
Active Voters
212,420 (95.3%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202613,238 (5.9%)0 (0.0%)0 (0.0%)
2023–2024169,272 (75.9%)0 (0.0%)0 (0.0%)
2021–2022133,637 (59.9%)0 (0.0%)0 (0.0%)
2019–2020154,276 (69.2%)0 (0.0%)0 (0.0%)
2017–2018114,366 (51.3%)0 (0.0%)0 (0.0%)
2015–2016121,590 (54.5%)0 (0.0%)0 (0.0%)
2013–201473,517 (33.0%)0 (0.0%)0 (0.0%)
2011–2012107,783 (48.3%)0 (0.0%)0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 01/01/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
271,471 (± 1,441)
Median Age
41.4
Median Household Income
$94,596 (± $2,376)
High School Graduate or Higher (age 25+)
95.3%
Bachelor's Degree or Higher (age 25+)
40.7%

Population by Age

GroupPeopleShare
Under 1857,09421.0%
18 to 64166,29761.3%
65 and over48,08017.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)12,8724.7%
White, not Hispanic225,47683.1%
Black, not Hispanic10,8994.0%
Asian, not Hispanic8,3503.1%
American Indian / Alaska Native, not Hispanic3150.1%
Native Hawaiian / Pacific Islander, not Hispanic410.0%
Some other race, not Hispanic9470.3%
Two or more races, not Hispanic12,5714.6%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
262,651
Citizen Voting Age Population (CVAP)
206,004

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic251,37295.7%
Hispanic11,2794.3%
White226,90986.4%
Black10,7414.1%
Asian5,3282.0%
American Indian / Alaska Native3150.1%
Native Hawaiian / Pacific Islander400.0%
Two or More Races5880.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic198,65296.4%
Hispanic7,3503.6%
White181,67988.2%
Black9,7524.7%
Asian5,1422.5%
American Indian / Alaska Native1,6910.8%
Native Hawaiian / Pacific Islander400.0%
Two or More Races3980.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).