Overview
- District ID
- mi-hd-055
- State
- Michigan
- Chamber
- Lower chamber
- District Code
- 055
- Land Area
- 41.9 sq mi
- Water Area
- 0.17 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Oakland County | 41.94 sq mi | 100.0% | 4.8% |
Showing all 1 county
Places
Showing all 2 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| MI District 10 | 89,335 | 97.3% | 11.5% | 87.4% |
| MI District 9 | 2,470 | 2.7% | 0.3% | 12.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 72,315
- Active Voters
- 68,227 (94.3%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 16,758 (23.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 55,736 (77.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 44,909 (62.1%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 51,204 (70.8%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 38,849 (53.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 40,684 (56.3%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 26,107 (36.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 35,306 (48.8%) | 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
- 92,667 (± 721)
- Median Age
- 41.0
- Median Household Income
- $120,972 (± $3,116)
- High School Graduate or Higher (age 25+)
- 97.2%
- Bachelor's Degree or Higher (age 25+)
- 62.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 20,435 | 22.1% |
| 18 to 64 | 55,831 | 60.2% |
| 65 and over | 16,401 | 17.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 4,226 | 4.6% |
| White, not Hispanic | 67,764 | 73.1% |
| Black, not Hispanic | 3,204 | 3.5% |
| Asian, not Hispanic | 12,257 | 13.2% |
| American Indian / Alaska Native, not Hispanic | 99 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 316 | 0.3% |
| Two or more races, not Hispanic | 4,801 | 5.2% |
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
- 84,150
- Citizen Voting Age Population (CVAP)
- 65,218
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 81,380 | 96.7% |
| Hispanic | 2,772 | 3.3% |
| White | 67,293 | 80.0% |
| Black | 3,149 | 3.7% |
| Asian | 8,205 | 9.8% |
| American Indian / Alaska Native | 80 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 215 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 63,533 | 97.4% |
| Hispanic | 1,684 | 2.6% |
| White | 52,941 | 81.2% |
| Black | 3,105 | 4.8% |
| Asian | 6,974 | 10.7% |
| American Indian / Alaska Native | 349 | 0.5% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 191 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
