Michigan State House District 4

State Legislative District Profile (Lower Chamber)

Overview

District ID
mi-hd-004
State
Michigan
Chamber
Lower chamber
District Code
004
Land Area
17.5 sq mi
Water Area
0.02 sq mi

Boundary

Boundary of Michigan State House District 4

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Wayne County17.48 sq mi100.0%2.9%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Detroit city17.48 sq mi100.0%12.6%

Showing all 1 place

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 1286,89994.0%11.2%92.8%
MI District 135,5366.0%0.7%7.2%

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

Voters

Registered Voters
77,206
Active Voters
70,183 (90.9%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202615,810 (20.5%)0 (0.0%)0 (0.0%)
2023–202434,956 (45.3%)0 (0.0%)0 (0.0%)
2021–202223,759 (30.8%)0 (0.0%)0 (0.0%)
2019–202032,825 (42.5%)0 (0.0%)0 (0.0%)
2017–201823,413 (30.3%)0 (0.0%)0 (0.0%)
2015–201627,973 (36.2%)0 (0.0%)0 (0.0%)
2013–201418,102 (23.4%)0 (0.0%)0 (0.0%)
2011–201227,258 (35.3%)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
89,014 (± 3,166)
Median Age
34.8
Median Household Income
$34,608 (± $2,373)
High School Graduate or Higher (age 25+)
82.7%
Bachelor's Degree or Higher (age 25+)
11.7%

Population by Age

GroupPeopleShare
Under 1822,22225.0%
18 to 6453,52060.1%
65 and over13,27214.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,6254.1%
White, not Hispanic4,6805.3%
Black, not Hispanic77,06686.6%
Asian, not Hispanic730.1%
American Indian / Alaska Native, not Hispanic970.1%
Native Hawaiian / Pacific Islander, not Hispanic340.0%
Some other race, not Hispanic2380.3%
Two or more races, not Hispanic3,2013.6%

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
87,046
Citizen Voting Age Population (CVAP)
65,025

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic84,50897.1%
Hispanic2,5392.9%
White4,7275.4%
Black76,97288.4%
Asian650.1%
American Indian / Alaska Native1010.1%
Native Hawaiian / Pacific Islander340.0%
Two or More Races9281.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic63,35997.4%
Hispanic1,6692.6%
White3,9506.1%
Black58,46289.9%
Asian670.1%
American Indian / Alaska Native4590.7%
Native Hawaiian / Pacific Islander360.1%
Two or More Races6891.1%

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