Michigan State Senate seat · lines in effect since 2026
Michigan Senate District 13
A district of about 262,000 people, 49% of adults with a bachelor's degree. It votes R+0.5 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
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 13.
Higher than 92% of seats.
Lower than 73% of seats.
Lower than 57% of seats.
Lower than 51% of seats.
Higher than 89% of seats.
Denser than 70% 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. 1 of the 4 flipped this year.
District 1443% college gradsD+9.9Held DDistrict 30
45% college gradsD+4.2Flipped DDistrict 5
38% college gradsD+16.8Held DDistrict 28
40% college gradsD+10.0Held 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.
- Sean Carlson (D)
2027– · Won 2026 unopposed
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)