- Lead
- 11,923
- Total
- 162,993
- vs nation
- R+5.8
Michigan 12th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 7,025
- Total
- 161,077
- vs nation
- R+8.8
- Lead
- 12,451
- Total
- 140,133
- vs nation
- R+11.0
- Lead
- 8,013
- Total
- 136,194
- vs nation
- D+2.0
- Lead
- 15,073
- Total
- 143,100
- vs nation
- D+3.3
- Lead
- 77
- Total
- 139,674
- vs nation
- D+2.4
- Lead
- 4,080
- Total
- 120,765
- vs nation
- D+2.9
- Lead
- 12,544
- Total
- 108,818
- vs nation
- D+3.0
Key facts
- 2024 presidential margin
- R+7.3MIT Election Lab
- Population
- 257,4162024 5-year
- Population density
- 1,887 / sq mi2024 5-year · TIGER/Line
- Land area
- 136 sq miTIGER/Line
- Median household income
- $84,6052024 5-year
- White (non-Hispanic)
- 78.3%2024 5-year
- Black
- 12.8%2024 5-year
- Hispanic / Latino
- 2.9%2024 5-year
- Peak Democratic margin
- D+34.3 in 1964MIT Election Lab
- Peak Republican margin
- R+75.8 in 1924MIT Election Lab
- Most similar
- State Senate District 11, MI · twin score 88.8
presidential history
Party record book
Michigan 12th 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
67.0%
62,425 votes · D+34.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 54.2%
Republican
Calvin Coolidge1924
82.7%
23,633 votes · R+75.8 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 80.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
77,606votes
54.2% of the vote · D+10.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 75,951 votes
Republican
Donald Trump2024
86,213votes
52.9% of the vote · R+7.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 82,976 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
Hubert Humphrey1968
+16.0pts D vs U.S.
Place D+15.3 · U.S. R+0.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · +11.7 pts
Republican
William McKinley1896
+53.3pts R vs U.S.
Place R+59.4 · U.S. R+6.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +50.6 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 | R | 47.1%62,725 | 52.9%70,392 | 133,117 |
| 2020 | R | 49.8%58,654 | 50.2%59,125 | 117,779 |
Michigan 12th State Senate District sits in the Great Lakes. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 34.3 points in 1964 and a Republican high of 75.8 points in 1924. Between 2020 and 2024 the district moved 3.0 points toward the Republican candidate; the 2024 margin was 7.3 points.
A population of 257,416, a 78% non-Hispanic-white share, and a median household income of $84,605 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 11 and State Senate District 49.
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 12th State Senate District. Akashic. https://akashic.app/sld-upper/26012/. Accessed May 20, 2026. License: CC BY 4.0.