Iosco County, Michigan
AkashicIosco County, MITrumpR+30.6
2024 precinct map of Iosco CountyPrecinct-level 2024 presidential results for Iosco County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 64.6% | 10,155 |
|---|---|---|
| Kamala HarrisDemocratic | 34.0% | 5,344 |
| Robert F KennedyNatural Law | 0.6% | 100 |
Harris +50Trump +50
36 precincts · 15,731 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 34.0%Harris5,344 | 64.6%Trump10,155 | 0.6%Kennedy100 | 15,731 | ||
| R | 35.0%Biden5,373 | 63.5%Trump9,759 | 1.0%Jorgensen152 | 15,363 | ||
| R | 32.4%Clinton4,345 | 62.1%Trump8,345 | 3.4%Johnson459 | 13,429 | ||
| R | 46.6%Obama6,242 | 51.6%Romney6,909 | 0.6%Stein85 | 13,385 | ||
| D | 51.5%Obama7,309 | 46.4%McCain6,583 | 2.1%Nader295 | 14,187 | ||
| R | 46.8%Kerry6,557 | 52.1%Bush7,301 | 1.1%Nader148 | 14,006 | ||
| D | 49.2%Gore6,505 | 48.0%Bush6,345 | 2.3%Nader308 | 13,222 | ||
| D | 50.2%Clinton6,240 | 35.5%Dole4,410 | 13.8%Perot1,710 | 12,424 | ||
| D | 39.8%Clinton5,369 | 36.4%Bush4,912 | 23.2%Perot3,131 | 13,492 | ||
| R | 40.3%Dukakis4,929 | 59.2%Bush7,234 | 0.5%Paul62 | 12,225 | ||
| R | 32.6%Mondale3,850 | 67.0%Reagan7,907 | 0.4%Bergland47 | 11,804 | ||
| R | 36.0%Carter4,255 | 56.5%Reagan6,680 | 7.4%Anderson880 | 11,815 | ||
| R | 46.4%Carter4,875 | 52.4%Ford5,500 | 1.2%McCarthy123 | 10,498 | ||
| R | 34.2%McGovern3,065 | 64.1%Nixon5,750 | 1.7%Schmitz156 | 8,971 | ||
| R | 34.5%Humphrey2,533 | 55.4%Nixon4,068 | 10.1%Wallace739 | 7,340 | ||
| D | 61.6%Johnson4,336 | 38.4%Goldwater2,704 | 0.1%Hass4 | 7,044 | ||
| R | 37.1%Kennedy2,549 | 62.7%Nixon4,308 | 0.1%Byrd9 | 6,866 | ||
| R | 27.4%Stevenson1,660 | 72.5%Eisenhower4,385 | 0.0%Andrews3 | 6,048 | ||
| R | 25.2%Stevenson1,274 | 74.6%Eisenhower3,772 | 0.3%Hallinan13 | 5,059 | ||
| R | 29.6%Truman1,115 | 68.9%Dewey2,599 | 1.5%Thurmond58 | 3,772 | ||
| R | 32.4%Roosevelt1,127 | 67.3%Dewey2,340 | 0.3%Thomas12 | 3,479 | ||
| R | 34.1%Roosevelt1,303 | 65.5%Willkie2,504 | 0.5%Thomas18 | 3,825 | ||
| R | 44.5%Roosevelt1,547 | 50.9%Landon1,768 | 4.6%Lemke160 | 3,475 | ||
| R | 47.1%Roosevelt1,500 | 49.6%Hoover1,581 | 3.3%Thomas105 | 3,186 | ||
| R | 22.6%Smith552 | 76.8%Hoover1,873 | 0.6%Thomas14 | 2,439 | ||
| R | 12.7%Davis304 | 71.4%Coolidge1,713 | 15.9%La Follette381 | 2,398 | ||
| R | 20.9%Cox548 | 76.7%Harding2,013 | 2.4%Debs63 | 2,624 | ||
| R | 41.5%Wilson729 | 56.0%Hughes984 | 2.5%Benson44 | 1,757 | ||
| O | 23.2%Wilson418 | 28.9%Taft521 | 47.9%Roosevelt864 | 1,803 | ||
| R | 34.4%Bryan668 | 63.0%Taft1,224 | 2.6%Debs50 | 1,942 | ||
| R | 21.6%Parker426 | 75.3%Roosevelt1,482 | 3.0%Debs60 | 1,968 | ||
| R | 32.2%Bryan679 | 66.4%McKinley1,402 | 1.4%Woolley30 | 2,111 | ||
| R | 37.4%Bryan912 | 60.2%McKinley1,470 | 2.4%Palmer58 | 2,440 | ||
| R | 47.5%Cleveland1,336 | 49.6%Harrison1,393 | 2.9%Weaver81 | 2,810 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 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 | −30.6% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 21,293 |
| 2018 | 21,319 |
| 2020 | 22,651 |
| 2022 | 23,321 |
| 2024 | 23,688 |
Source: U.S. Election Assistance Commission (EAVS)
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.
Across the recorded series it reached a Democratic high of 23.2 points in 1964 and a Republican high of 58.8 points in 1924. Between 2020 and 2024 the county moved 2.0 points toward the Republican candidate; the 2024 margin was 30.6 points.
A population of 25,347, a 91% non-Hispanic-white share, and a median household income of $50,066 describe the county. The county's voting pattern over the last decade is most similar to that of Roscommon County and St. Clair County.
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Compare two places, side by side
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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.
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Frequently asked questions
How did Iosco County, Michigan vote in 2024?
In 2024, Iosco County, Michigan voted Republican by 30.6 points (R+30.6), carried by the Republican candidate. Out of 15,731 votes cast, 5,344 went Democratic and 10,155 went Republican.
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.