Michigan State Senate seat · lines in effect since 2026
Michigan Senate District 21
A district of about 263,000 people, 31% of adults with a bachelor's degree. It votes D+13.5 relative to the nation for president.
Where it sits among all 38 seats
Every Michigan State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2018 | 2020 | 2026 | |
|---|---|---|---|
| U.S. Senate | D+43.8 | D+43.6 | No race |
| Governor | D+47.4 | No race | No race |
| Michigan State Senate | No race | No race | D+25.1 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 38 seats. Small marks are other seats in Michigan. The black marker is District 21.
Higher than 51% of seats.
Lower than 57% of seats.
Higher than 89% of seats.
Higher than 68% of seats.
Higher than 68% of seats.
Less dense than 57% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 3528% college gradsD+1.4Held DDistrict 19
41% college gradsD+17.7Held DDistrict 28
40% college gradsD+10.0Held DDistrict 4
25% college gradsD+1.4Held D
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2026.
- Sarah Anthony (D)
2027– · Won 2026 by 25.1
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)