- Lead
- 15,493
- Total
- 50,583
- vs nation
- R+29.2
Michigan 78th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,759
- Total
- 47,570
- vs nation
- R+33.4
- Lead
- 12,286
- Total
- 40,505
- vs nation
- R+32.4
- Lead
- 6,944
- Total
- 38,463
- vs nation
- R+21.9
- Lead
- 4,371
- Total
- 40,370
- vs nation
- R+18.1
- Lead
- 10,761
- Total
- 40,617
- vs nation
- R+24.0
- Lead
- 8,638
- Total
- 35,133
- vs nation
- R+25.1
- Lead
- 3,269
- Total
- 31,348
- vs nation
- R+18.9
Key facts
- 2024 presidential margin
- R+30.6MIT Election Lab
- Population
- 92,2642024 5-year
- Population density
- 112 / sq mi2024 5-year · TIGER/Line
- Land area
- 821 sq miTIGER/Line
- Median household income
- $77,6442024 5-year
- White (non-Hispanic)
- 87.6%2024 5-year
- Black
- 3.5%2024 5-year
- Hispanic / Latino
- 4.3%2024 5-year
- Peak Democratic margin
- D+18.3 in 1964MIT Election Lab
- Peak Republican margin
- R+55.7 in 1928MIT Election Lab
- Most similar
- State House District 45, MI · twin score 96.2
presidential history
Party record book
Michigan 78th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
59.0%
12,430 votes · D+18.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 53.0%
Republican
Herbert Hoover1928
77.6%
11,300 votes · R+55.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 74.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
17,591votes
43.6% of the vote · R+10.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 17,146 votes
Republican
Donald Trump2024
32,639votes
64.5% of the vote · R+30.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 30,172 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Lyndon B. Johnson1964
−4.3pts D vs U.S.
Place D+18.3 · U.S. D+22.6 · modeled estimate
Runner-up · William J. Bryan, 1900 · −4.5 pts
Republican
Thomas E. Dewey1944
+44.8pts R vs U.S.
Place R+37.3 · U.S. D+7.5 · modeled estimate
Runner-up · William McKinley, 1896 · +42.7 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 36.2%17,067 | 63.8%30,117 | 47,184 |
| 2020 | R | 38.2%17,849 | 61.8%28,842 | 46,691 |
With a 2024 presidential margin of R+30.6, this district sits well outside competitive territory, reflecting the rural or exurban character common to Michigan's most one-sided legislative constituencies.
Across the recorded series it reached a Democratic high of 18.3 points in 1964 and a Republican high of 55.7 points in 1928. Between 2020 and 2024 the district moved 1.7 points toward the Republican candidate; the 2024 margin was 30.6 points.
A population of 92,264, a 88% non-Hispanic-white share, and a median household income of $77,644 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 45 and State House District 43.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Michigan 78th State House District. Akashic. https://akashic.app/sld-lower/26078/. Accessed May 20, 2026. License: CC BY 4.0.