Michigan 12th State Senate District, Michigan: Bellwether district. In 2024, voted R+6%. Democratic peak: D+18 in 2008.
Key facts
- 2024 presidential margin
- R+6MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 257,4162024 5-year
- Median household income
- $73,2412024 5-year
- White (non-Hispanic)
- 69.7%2024 5-year
- Black
- 17.9%2024 5-year
- Hispanic / Latino
- 4.1%2024 5-year
- Peak Democratic margin
- D+18 in 2008MIT Election Lab
- Peak Republican margin
- R+6 in 2024MIT Election Lab
Constituent county margins for State Senate District 12, MIOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 65,654 | 74,649 | 143,459 | ||
| D | 69,633 | 69,041 | 140,517 | ||
| R | 56,531 | 58,774 | 120,687 | ||
| D | 66,630 | 50,564 | 118,722 | ||
| D | 72,783 | 49,826 | 124,980 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
15.9%
Polish
11.0%
Irish
9.0%
Italian
8.2%
English
7.3%
American
3.7%
French
3.0%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 40.7 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$73,241
State Senate District 12 ranks near the middle of US counties.
State Senate District 12$73,241
Michigan$72,875
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
13.0%
Children face moderate poverty.
Children under 1818.7%
Working age (18–64)11.3%
Seniors (65+)11.3%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
85.1%
speak English only
Other Indo-European5.8%
Other languages5.1%
Spanish2.2%
Asian & Pacific Islander1.8%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 60.7% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of D+33.4, this district ranks among the state's most reliably blue constituencies, reflecting the dense urban concentration typical of heavily Democratic Michigan senate seats.
The Democratic margin in Michigan 12th State Senate District has rarely exceeded eighteen points in modern history; the Republican margin has rarely exceeded six points. 2024 delivered the district to the Republican candidate by six points.
Its demographics resemble the country more than they resemble most districts. A 70% non-Hispanic-white share, a 13% poverty rate, and a median household income of $73,241 — all within the broad national range.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 12, Michigan — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/sld-upper/26012/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 12, Michigan vote in 2024?
In 2024, State Senate District 12, Michigan voted Republican by 6.3 points (R+6), carried by the Republican candidate. Out of 143,459 votes cast, 65,654 went Democratic and 74,649 went Republican.
What is State Senate District 12, Michigan's political archetype?
Akashic classifies State Senate District 12, Michigan as a "Bellwether" district based on its long-arc presidential voting pattern. Across 5 elections in the dataset, the district has voted Democratic 3 times, Republican 2 times, and other 0 times.
When did State Senate District 12, Michigan last vote Democratic?
The most recent presidential election in which State Senate District 12, Michigan voted Democratic was 2020.
How many people live in State Senate District 12, Michigan?
State Senate District 12, Michigan has a population of 257,416 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 12, Michigan?
Median household income in State Senate District 12, Michigan is $73,241 — below the national median of $80,734. The Michigan state median is $72,875.
What is the political history of State Senate District 12, Michigan?
Akashic tracks 5 presidential elections in State Senate District 12, Michigan from 2008 to 2024. Of those, 3 went Democratic and 2 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.