Iosco County, Michigan: Farm Belt county. In 2024, voted R+31%. Republican peak: R+59 in 1924.
Key facts
- 2024 presidential margin
- R+31MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 25,3472024 5-year
- Median household income
- $50,0662024 5-year
- White (non-Hispanic)
- 92.0%2024 5-year
- Black
- 0.9%2024 5-year
- Hispanic / Latino
- 2.8%2024 5-year
- Peak Democratic margin
- D+23 in 1964MIT Election Lab
- Peak Republican margin
- R+59 in 1924MIT Election Lab
- Most similar
- Roscommon County, MI · similarity 0.99
2024 results by precinct
2024 precinct map of Iosco CountyPrecinct-level 2024 presidential results for Iosco County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −2.0% |
| 1896 | −22.9% |
| 1900 | −34.2% |
| 1904 | −53.7% |
| 1908 | −28.6% |
| 1912 | −5.7% |
| 1916 | −14.5% |
| 1920 | −55.8% |
| 1924 | −58.8% |
| 1928 | −54.2% |
| 1932 | −2.5% |
| 1936 | −6.4% |
| 1940 | −31.4% |
| 1944 | −34.9% |
| 1948 | −39.3% |
| 1952 | −49.4% |
| 1956 | −45.1% |
| 1960 | −25.6% |
| 1964 | +23.2% |
| 1968 | −20.9% |
| 1972 | −29.9% |
| 1976 | −6.0% |
| 1980 | −20.5% |
| 1984 | −34.4% |
| 1988 | −18.9% |
| 1992 | +3.4% |
| 1996 | +14.7% |
| 2000 | +1.2% |
| 2004 | −5.3% |
| 2008 | +5.1% |
| 2012 | −5.0% |
| 2016 | −29.8% |
| 2020 | −28.5% |
| 2024 | −30.5% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 5,344 | 10,155 | 15,754 | ||
| R | 5,373 | 9,759 | 15,363 | ||
| R | 4,345 | 8,345 | 13,429 | ||
| R | 6,242 | 6,909 | 13,385 | ||
| D | 7,309 | 6,583 | 14,187 | ||
| R | 6,557 | 7,301 | 14,006 | ||
| D | 6,505 | 6,345 | 13,222 | ||
| D | 6,240 | 4,410 | 12,424 | ||
| D | 5,369 | 4,912 | 13,492 | ||
| R | 4,929 | 7,234 | 12,225 | ||
| R | 3,850 | 7,907 | 11,804 | ||
| R | 4,255 | 6,680 | 11,815 | ||
| R | 4,875 | 5,500 | 10,498 | ||
| R | 3,065 | 5,750 | 8,971 | ||
| R | 2,533 | 4,068 | 7,340 | ||
| D | 4,336 | 2,704 | 7,044 | ||
| R | 2,549 | 4,308 | 6,866 | ||
| R | 1,660 | 4,385 | 6,048 | ||
| R | 1,274 | 3,772 | 5,059 | ||
| R | 1,115 | 2,599 | 3,772 | ||
| R | 1,127 | 2,340 | 3,479 | ||
| R | 1,303 | 2,504 | 3,825 | ||
| R | 1,547 | 1,768 | 3,475 | ||
| R | 1,500 | 1,581 | 3,186 | ||
| R | 552 | 1,873 | 2,439 | ||
| R | 304 | 1,713 | 2,398 | ||
| R | 548 | 2,013 | 2,624 | ||
| R | 729 | 984 | 1,757 | ||
| O | 418 | 521 | 1,803 | ||
| R | 668 | 1,224 | 1,942 | ||
| R | 426 | 1,482 | 1,968 | ||
| R | 679 | 1,402 | 2,111 | ||
| R | 912 | 1,470 | 2,440 | ||
| R | 1,336 | 1,393 | 2,810 | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
27.6%
English
16.4%
Irish
13.6%
Polish
8.4%
French
5.5%
American
4.7%
Italian
3.4%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
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.
2024 ACS
Age distribution by sex
Median age: 53.5 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$50,066
Iosco County ranks in the bottom 25% of US counties.
Iosco County$50,066
Michigan$72,875
United States$80,734
Iosco County ranks in the bottom 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
17.7%
Children face moderate poverty.
Children under 1823.4%
Working age (18–64)17.0%
Seniors (65+)14.1%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.0%
speak English only
Spanish1.5%
Other Indo-European0.7%
Asian & Pacific Islander0.6%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 68.8% of residents not counted as adherents by any reporting body.
Iosco sits along Lake Huron's Sunrise Side, where a tourism economy and an aging, predominantly white population have tracked alongside a steady rightward shift in presidential margins over the past two decades.
The Republican margin here reached fifty-nine points in 1924. Between 2020 and 2024 the county moved two points toward the Republican candidate; the 2024 margin was thirty-one points.
A population of 25,347, a 92% non-Hispanic-white share, and a median household income of $50,066 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Roscommon County and St. Clair County.
Most similar counties
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.
Iosco County, Michigan. Akashic. https://akashic.app/county/26069/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More farm belt counties
Frequently asked questions
How did Iosco County, Michigan vote in 2024?
In 2024, Iosco County, Michigan voted Republican by 30.5 points (R+31), carried by the Republican candidate. Out of 15,754 votes cast, 5,344 went Democratic and 10,155 went Republican.
What is Iosco County, Michigan's political typology?
Akashic places Iosco County, Michigan in the "Farm Belt" typology — Rural Plains and Midwest farm counties — Republican, with modest recent movement. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 5 times, Republican 28 times, and other 1 times.
When did Iosco County, Michigan last vote Democratic?
The most recent presidential election in which Iosco County, Michigan voted Democratic was 2008.
How many people live in Iosco County, Michigan?
Iosco County, Michigan has a population of 25,347 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iosco County, Michigan?
Median household income in Iosco County, Michigan is $50,066 — below the national median of $80,734. The Michigan state median is $72,875.
What is the political history of Iosco County, Michigan?
Akashic tracks 38 presidential elections in Iosco County, Michigan from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.