99chambers

Michigan State Senate seat · lines in effect since 2026

Michigan Senate District 8

A district of about 268,000 people, 56% of adults with a bachelor's degree. It votes D+12.4 relative to the nation for president.

Mallory McMorrow (D) · since Nov 6, 2018Next election Nov 5, 2030The 2026 race →

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.

D+12.412th most
Democratic
Most DemocraticMost Republican20th seat · the majority lineDistrict 8

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.

201820202026
U.S. SenateD+4.8D+0.7No race
GovernorD+8.2No raceNo race
Michigan State SenateNo raceNo raceD+20.0

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 8.

Adults with a bachelor's degree56% 100th pct · 1st of 38 in MI

Highest of 38 seats.

White adults without a degree34% 16th pct · 32nd of 38 in MI

Lower than 84% of seats.

Hispanic residents4% 30th pct · 27th of 38 in MI

Lower than 70% of seats.

Black residents8% 54th pct · 18th of 38 in MI

Higher than 54% of seats.

Asian residents14% 97th pct · 2nd of 38 in MI

Higher than 97% of seats.

People per square mile2,462 76th pct · 10th of 38 in MI

Denser than 76% 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 9
53% college gradsR+3.7Flipped DDistrict 13
49% college gradsR+0.5Held DDistrict 5
38% college gradsD+16.8Held DDistrict 10
43% college gradsD+32.2Held 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.

  1. Dayna Polehanki (D)
    2027– · Won 2026 by 20.0

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)