Michigan House of Representatives seat · lines in effect since 2024
Michigan House District 78
A district of about 86,000 people, 21% of adults with a bachelor's degree. It votes R+30.7 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.
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 | 2024 | 2026 | |
|---|---|---|---|---|
| U.S. Senate | R+9.5 | R+9.0 | No race | No race |
| Governor | D+4.2 | No race | No race | No race |
| Michigan House of Representatives | No race | No race | R+37.2 | R+22.0 |
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 110 seats. Small marks are other seats in Michigan. The black marker is District 78.
Lower than 76% of seats.
Higher than 87% of seats.
Lower than 51% of seats.
Lower than 70% of seats.
Lower than 91% of seats.
Less dense than 82% 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 9725% college gradsR+30.9Held RDistrict 91
MichiganR+37.3Held RDistrict 45
27% college gradsR+34.7Held RDistrict 93
25% college gradsR+31.6Held R
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 2024.
- Brandon Strong (R)
2027– · Won 2026 by 22.0 - Gina Johnsen (R)
2025–2027 · Won 2024 by 37.2
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)