- Lead
- 7,824
- Total
- 148,649
- vs nation
- R+3.8
Michigan 9th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 798
- Total
- 146,795
- vs nation
- R+3.9
- Lead
- 8,000
- Total
- 124,951
- vs nation
- R+8.5
- Lead
- 3,916
- Total
- 121,919
- vs nation
- R+7.1
- Lead
- 3,836
- Total
- 123,360
- vs nation
- R+4.2
- Lead
- 12,494
- Total
- 120,954
- vs nation
- R+7.9
- Lead
- 9,091
- Total
- 106,263
- vs nation
- R+9.1
- Lead
- 3,598
- Total
- 93,538
- vs nation
- R+12.4
Key facts
- 2024 presidential margin
- R+5.3MIT Election Lab
- Population
- 262,1822024 5-year
- Population density
- 2,507 / sq mi2024 5-year · TIGER/Line
- Land area
- 105 sq miTIGER/Line
- Median household income
- $105,2852024 5-year
- White (non-Hispanic)
- 70.8%2024 5-year
- Black
- 4.3%2024 5-year
- Hispanic / Latino
- 3.7%2024 5-year
- Peak Democratic margin
- D+19.2 in 1964MIT Election Lab
- Peak Republican margin
- R+71.9 in 1924MIT Election Lab
- Most similar
- State Senate District 13, MI · twin score 84.7
presidential history
Party record book
Michigan 9th State Senate 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
59.5%
32,148 votes · D+19.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 51.2%
Republican
Calvin Coolidge1924
82.9%
5,458 votes · R+71.9 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 82.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
72,950votes
49.7% of the vote · D+0.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 68,731 votes
Republican
Donald Trump2024
76,555votes
51.5% of the vote · R+5.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 72,152 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
−3.3pts D vs U.S.
Place D+19.2 · U.S. D+22.6 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · −3.4 pts
Republican
William McKinley1896
+52.1pts R vs U.S.
Place R+58.2 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +47.5 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 | 51.9%76,412 | 48.1%70,885 | 147,297 |
| 2020 | D | 54.8%80,899 | 45.2%66,750 | 147,649 |
Anchored in rural west-central Michigan, this district delivered a 5.3-point Republican presidential margin in 2024, making it among the state's least competitive Senate seats and a consistent anchor of the GOP caucus's rural base.
Across the recorded series it reached a Democratic high of 19.2 points in 1964 and a Republican high of 71.9 points in 1924. Between 2020 and 2024 the district moved 5.8 points toward the Republican candidate; the 2024 margin was 5.3 points.
A population of 262,182, a 71% non-Hispanic-white share, and a median household income of $105,285 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 16.
The state-senate 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 9th State Senate District. Akashic. https://akashic.app/sld-upper/26009/. Accessed May 20, 2026. License: CC BY 4.0.