Michigan State Senate District 13

State Legislative District Profile (Upper Chamber)

Overview

District ID
mi-sd-013
State
Michigan
Chamber
Upper chamber (state senate)
District Code
013
Land Area
122.5 sq mi
Water Area
9 sq mi

Boundary

Boundary of Michigan State Senate District 13

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Oakland County87.14 sq mi71.1%10.0%
Wayne County35.37 sq mi28.9%5.8%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Novi city29.92 sq mi24.4%98.9%
Farmington Hills city13.38 sq mi10.9%40.2%
Orchard Lake Village city2.40 sq mi2.0%100.0%
Plymouth city2.21 sq mi1.8%100.0%
Walled Lake city2.21 sq mi1.8%100.0%
Northville city2.04 sq mi1.7%100.0%
Sylvan Lake city0.52 sq mi0.4%99.9%
Keego Harbor city0.50 sq mi0.4%100.0%

Showing all 8 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 6134,41850.2%17.3%52.1%
MI District 11133,46349.8%17.2%47.9%

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

Voters

Registered Voters
218,366
Active Voters
206,634 (94.6%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202635,689 (16.3%)0 (0.0%)0 (0.0%)
2023–2024169,522 (77.6%)0 (0.0%)0 (0.0%)
2021–2022137,018 (62.7%)0 (0.0%)0 (0.0%)
2019–2020156,459 (71.6%)0 (0.0%)0 (0.0%)
2017–2018117,279 (53.7%)0 (0.0%)0 (0.0%)
2015–2016123,890 (56.7%)0 (0.0%)0 (0.0%)
2013–201480,962 (37.1%)0 (0.0%)0 (0.0%)
2011–2012109,585 (50.2%)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
268,637 (± 1,832)
Median Age
43.8
Median Household Income
$120,463 (± $1,985)
High School Graduate or Higher (age 25+)
96.5%
Bachelor's Degree or Higher (age 25+)
61.6%

Population by Age

GroupPeopleShare
Under 1856,49921.0%
18 to 64157,23158.5%
65 and over54,90720.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)9,7333.6%
White, not Hispanic185,43969.0%
Black, not Hispanic22,6858.4%
Asian, not Hispanic38,36114.3%
American Indian / Alaska Native, not Hispanic2640.1%
Native Hawaiian / Pacific Islander, not Hispanic70.0%
Some other race, not Hispanic1,5580.6%
Two or more races, not Hispanic10,5903.9%

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
245,979
Citizen Voting Age Population (CVAP)
192,880

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic238,06296.8%
Hispanic7,9143.2%
White184,99275.2%
Black22,4099.1%
Asian24,0819.8%
American Indian / Alaska Native2650.1%
Native Hawaiian / Pacific Islander70.0%
Two or More Races5290.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic187,95597.4%
Hispanic4,9202.6%
White150,26277.9%
Black18,6729.7%
Asian17,8129.2%
American Indian / Alaska Native1,0470.5%
Native Hawaiian / Pacific Islander80.0%
Two or More Races3830.2%

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