Overview
- District ID
- mi-sd-012
- State
- Michigan
- Chamber
- Upper chamber (state senate)
- District Code
- 012
- Land Area
- 136.4 sq mi
- Water Area
- 169.4 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing all 11 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 | 121,643 | 47.0% | 15.7% | 27.5% |
| MI District 9 | 75,102 | 29.0% | 9.7% | 63.1% |
| MI District 13 | 61,970 | 24.0% | 8.0% | 9.4% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 220,088
- Active Voters
- 210,510 (95.6%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 36,647 (16.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 162,219 (73.7%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 127,300 (57.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 148,938 (67.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 109,845 (49.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 117,890 (53.6%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 74,234 (33.7%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 105,814 (48.1%) | 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
- 256,306 (± 1,255)
- Median Age
- 42.9
- Median Household Income
- $84,605 (± $1,967)
- High School Graduate or Higher (age 25+)
- 94.4%
- Bachelor's Degree or Higher (age 25+)
- 33.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 51,451 | 20.1% |
| 18 to 64 | 154,856 | 60.4% |
| 65 and over | 49,999 | 19.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 8,137 | 3.2% |
| White, not Hispanic | 203,213 | 79.3% |
| Black, not Hispanic | 28,695 | 11.2% |
| Asian, not Hispanic | 3,198 | 1.2% |
| American Indian / Alaska Native, not Hispanic | 249 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 27 | 0.0% |
| Some other race, not Hispanic | 796 | 0.3% |
| Two or more races, not Hispanic | 11,991 | 4.7% |
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
- 252,505
- Citizen Voting Age Population (CVAP)
- 201,549
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 244,923 | 97.0% |
| Hispanic | 7,577 | 3.0% |
| White | 203,785 | 80.7% |
| Black | 28,746 | 11.4% |
| Asian | 2,413 | 1.0% |
| American Indian / Alaska Native | 249 | 0.1% |
| Native Hawaiian / Pacific Islander | 76 | 0.0% |
| Two or More Races | 1,190 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 196,436 | 97.5% |
| Hispanic | 5,110 | 2.5% |
| White | 167,269 | 83.0% |
| Black | 23,616 | 11.7% |
| Asian | 3,310 | 1.6% |
| American Indian / Alaska Native | 1,774 | 0.9% |
| Native Hawaiian / Pacific Islander | 61 | 0.0% |
| Two or More Races | 742 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
