Overview
- District ID
- mi-sd-021
- State
- Michigan
- Chamber
- Upper chamber (state senate)
- District Code
- 021
- Land Area
- 880.3 sq mi
- Water Area
- 6.32 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 |
|---|
| Eaton County | 575.21 sq mi | 65.3% | 100.0% |
| Ingham County | 305.06 sq mi | 34.7% | 54.9% |
Showing all 2 counties
Places
Showing all 18 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 7 | 258,575 | 98.2% | 33.4% | 89.5% |
| MI District 2 | 4,786 | 1.8% | 0.6% | 10.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 213,480
- Active Voters
- 203,133 (95.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 38,495 (18.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 145,519 (68.2%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 114,198 (53.5%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 132,310 (62.0%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 100,604 (47.1%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 104,132 (48.8%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 67,508 (31.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 91,722 (43.0%) | 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
- 263,341 (± 1,428)
- Median Age
- 38.3
- Median Household Income
- $69,787 (± $1,581)
- High School Graduate or Higher (age 25+)
- 92.8%
- Bachelor's Degree or Higher (age 25+)
- 31.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 55,978 | 21.3% |
| 18 to 64 | 161,920 | 61.5% |
| 65 and over | 45,443 | 17.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 23,029 | 8.7% |
| White, not Hispanic | 182,707 | 69.4% |
| Black, not Hispanic | 31,031 | 11.8% |
| Asian, not Hispanic | 9,029 | 3.4% |
| American Indian / Alaska Native, not Hispanic | 575 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 72 | 0.0% |
| Some other race, not Hispanic | 2,207 | 0.8% |
| Two or more races, not Hispanic | 14,691 | 5.6% |
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
- 255,784
- Citizen Voting Age Population (CVAP)
- 200,667
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 234,787 | 91.8% |
| Hispanic | 20,998 | 8.2% |
| White | 186,129 | 72.8% |
| Black | 30,174 | 11.8% |
| Asian | 5,924 | 2.3% |
| American Indian / Alaska Native | 550 | 0.2% |
| Native Hawaiian / Pacific Islander | 71 | 0.0% |
| Two or More Races | 1,362 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 186,093 | 92.7% |
| Hispanic | 14,573 | 7.3% |
| White | 152,188 | 75.8% |
| Black | 25,770 | 12.8% |
| Asian | 5,232 | 2.6% |
| American Indian / Alaska Native | 2,210 | 1.1% |
| Native Hawaiian / Pacific Islander | 74 | 0.0% |
| Two or More Races | 739 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
