- Lead
- 324
- Total
- 52,537
- vs nation
- D+0.9
Michigan 109th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 876
- Total
- 50,326
- vs nation
- R+2.7
- Lead
- 1,668
- Total
- 44,499
- vs nation
- R+5.8
- Lead
- 3,430
- Total
- 43,689
- vs nation
- D+4.0
- Lead
- 6,621
- Total
- 44,985
- vs nation
- D+7.4
- Lead
- 1,982
- Total
- 44,314
- vs nation
- D+6.9
- Lead
- 2,069
- Total
- 40,133
- vs nation
- D+4.6
- Lead
- 7,866
- Total
- 37,190
- vs nation
- D+12.6
Key facts
- 2024 presidential margin
- R+0.6MIT Election Lab
- Population
- 88,6362024 5-year
- Population density
- 21 / sq mi2024 5-year · TIGER/Line
- Land area
- 4,148 sq miTIGER/Line
- Median household income
- $64,1642024 5-year
- White (non-Hispanic)
- 87.4%2024 5-year
- Black
- 2.2%2024 5-year
- Hispanic / Latino
- 1.9%2024 5-year
- Peak Democratic margin
- D+37.7 in 1964MIT Election Lab
- Peak Republican margin
- R+69.3 in 1904MIT Election Lab
- Most similar
- State House District 96, MI · twin score 81.3
presidential history
Party record book
Michigan 109th 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
68.8%
21,284 votes · D+37.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 60.1%
Republican
Theodore Roosevelt1904
82.2%
8,024 votes · R+69.3 · modeled estimate
Runner-up · William H. Taft, 1908 · 74.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
25,662votes
48.8% of the vote · R+0.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 25,283 votes
Republican
Donald Trump2024
25,986votes
49.5% of the vote · R+0.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 24,290 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
Michael Dukakis1988
+18.9pts D vs U.S.
Place D+11.2 · U.S. R+7.7 · modeled estimate
Runner-up · Walter Mondale, 1984 · +16.3 pts
Republican
William McKinley1896
+60.6pts R vs U.S.
Place R+66.7 · U.S. R+6.1 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +49.6 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 | D | 50.3%24,740 | 49.7%24,435 | 49,175 |
| 2020 | R | 48.2%23,108 | 51.8%24,832 | 47,940 |
Michigan 109th State House District sits in the Great Lakes. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 37.7 points in 1964 and a Republican high of 69.3 points in 1904. Between 2020 and 2024 the district moved 2.4 points toward the Republican candidate; the 2024 margin was 0.6 points.
A population of 88,636, a 87% non-Hispanic-white share, and a median household income of $64,164 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 96 and State House District 110.
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 109th State House District. Akashic. https://akashic.app/sld-lower/26109/. Accessed May 20, 2026. License: CC BY 4.0.