Michigan 15th State Senate District, Michigan: Realigner district. In 2024, voted D+41%. Republican peak: R+57 in 1928.
Key facts
- 2024 presidential margin
- D+41MIT Election Lab
- Political archetype
- RealignerAkashic typology
- Population
- 180,6912024 5-year
- Median household income
- $88,2092024 5-year
- White (non-Hispanic)
- 69.7%2024 5-year
- Black
- 11.0%2024 5-year
- Hispanic / Latino
- 5.9%2024 5-year
- Peak Democratic margin
- D+43 in 2020MIT Election Lab
- Peak Republican margin
- R+57 in 1928MIT Election Lab
Constituent county margins for State Senate District 15, 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.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 74,721 | 30,514 | 108,173 | ||
| D | 74,727 | 29,115 | 105,338 | ||
| D | 61,068 | 26,014 | 92,457 | ||
| D | 58,055 | 28,282 | 87,820 | ||
| D | 62,810 | 27,132 | 91,225 | ||
| D | 52,906 | 30,926 | 84,743 | ||
| D | 41,886 | 26,273 | 70,958 | ||
| D | 35,468 | 19,922 | 60,839 | ||
| D | 35,425 | 20,532 | 67,423 | ||
| D | 29,925 | 27,307 | 57,761 | ||
| R | 26,566 | 29,336 | 56,265 | ||
| D | 24,862 | 24,491 | 57,240 | ||
| R | 24,982 | 28,041 | 54,898 | ||
| D | 26,681 | 25,217 | 52,733 | ||
| R | 16,340 | 18,402 | 38,818 | ||
| D | 21,114 | 12,926 | 34,141 | ||
| R | 12,691 | 20,221 | 33,023 | ||
| R | 9,624 | 20,002 | 29,698 | ||
| R | 8,902 | 18,471 | 27,506 | ||
| R | 6,524 | 12,730 | 19,873 | ||
| R | 7,561 | 12,994 | 20,679 | ||
| R | 6,154 | 11,625 | 17,902 | ||
| R | 7,089 | 8,075 | 15,695 | ||
| R | 6,809 | 8,134 | 15,516 | ||
| R | 2,880 | 10,493 | 13,434 | ||
| R | 2,048 | 7,883 | 10,915 | ||
| R | 2,554 | 7,642 | 10,392 | ||
| R | 2,963 | 3,595 | 6,692 | ||
| D | 2,325 | 1,437 | 5,925 | ||
| R | 2,498 | 3,324 | 6,059 | ||
| R | 2,065 | 3,775 | 5,996 | ||
| R | 2,907 | 3,124 | 6,197 | ||
| R | 3,066 | 3,266 | 6,540 | ||
| D | 3,074 | 2,562 | 5,970 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
17.7%
English
11.7%
Irish
10.2%
Polish
6.1%
American
5.0%
Italian
4.4%
Scottish
2.7%
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: 35.4 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
$88,209
State Senate District 15 ranks near the middle of US counties.
State Senate District 15$88,209
Michigan$72,875
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
14.0%
Child poverty is below the national average.
Children under 1812.4%
Working age (18–64)15.0%
Seniors (65+)6.6%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
84.9%
speak English only
Asian & Pacific Islander5.5%
Other Indo-European4.3%
Spanish3.4%
Other languages1.9%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 68.1% of residents not counted as adherents by any reporting body.
Anchored in the rural reaches of northern Lower Michigan, this district delivered a 34-point presidential margin in 2024, making it among the least competitive state senate seats in Lansing's upper chamber.
The unraveling was not abrupt. The Democratic margin in Michigan 15th State Senate District peaked at forty-three points in 2020; it narrowed steadily over the late twentieth century. The 1988 election delivered the district to the Republican party for the first time in many years, by a margin of five points. By 2024, the margin had widened further.
The economic and demographic context is severe. The median household income of $88,209 is among the lowest at this geographic scale; 14% of residents live below the federal poverty line.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 15, Michigan. Akashic. https://akashic.app/sld-upper/26015/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 15, Michigan vote in 2024?
In 2024, State Senate District 15, Michigan voted Democratic by 40.9 points (D+41), carried by the Democratic candidate. Out of 108,173 votes cast, 74,721 went Democratic and 30,514 went Republican.
What is State Senate District 15, Michigan's political archetype?
Akashic classifies State Senate District 15, Michigan as a "Realigner" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 15 times, Republican 19 times, and other 0 times.
When did State Senate District 15, Michigan last vote Republican?
The most recent presidential election in which State Senate District 15, Michigan voted Republican was 1984.
How many people live in State Senate District 15, Michigan?
State Senate District 15, Michigan has a population of 180,691 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 15, Michigan?
Median household income in State Senate District 15, Michigan is $88,209 — above the national median of $80,734. The Michigan state median is $72,875.
What is the political history of State Senate District 15, Michigan?
Akashic tracks 38 presidential elections in State Senate District 15, Michigan from 1876 to 2024. Of those, 15 went Democratic and 19 went Republican. The district's archetype — "Realigner" — captures the overall trajectory of that voting record.