Michigan House of Representatives seat · lines in effect since 2024

Michigan House District 21

A district of about 96,000 people, 27% Asian, 65% of adults with a bachelor's degree. It votes D+12.9 relative to the nation for president.

Where it sits among all 110 seats

Every Michigan House of Representatives 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+12.935th most
Democratic
Most DemocraticMost Republican56th seat · the majority lineDistrict 21

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.

2024
Michigan House of RepresentativesD+12.5

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 110 seats. Small marks are other seats in Michigan. The black marker is District 21.

Adults with a bachelor's degree65% 97th pct · 4th of 110 in MI

Higher than 97% of seats.

White adults without a degree23% 10th pct · 99th of 110 in MI

Lower than 90% of seats.

Hispanic residents4% 37th pct · 70th of 110 in MI

Lower than 63% of seats.

Black residents10% 67th pct · 37th of 110 in MI

Higher than 67% of seats.

Asian residents27% 100th pct · 1st of 110 in MI

Highest of 110 seats.

People per square mile1,857 65th pct · 39th of 110 in MI

Denser than 65% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2024.

  1. Kelly Breen (D)
    2025– · Won 2024 by 12.5, 2026 unopposed

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