- Lead
- 4,811
- Total
- 15,731
- vs nation
- R+29.1
- Turnout
- 75.8%
Iosco County, MI
President margin by year
Place winner margin
President results by year
2024 turnout 75.8% of 20,909 citizens 18+
- Lead
- 4,386
- Total
- 15,363
- vs nation
- R+33.0
- Turnout
- 74.2%
- Lead
- 4,000
- Total
- 13,429
- vs nation
- R+31.9
- Turnout
- 65.2%
- Lead
- 667
- Total
- 13,385
- vs nation
- R+8.8
- Turnout
- —
- Lead
- 726
- Total
- 14,187
- vs nation
- R+2.2
- Turnout
- —
- Lead
- 744
- Total
- 14,006
- vs nation
- R+2.9
- Turnout
- —
- Lead
- 160
- Total
- 13,222
- vs nation
- D+0.7
- Turnout
- —
- Lead
- 1,830
- Total
- 12,424
- vs nation
- D+6.2
- Turnout
- —
Key facts
- 2024 presidential margin
- R+30.6MIT Election Lab
- Population
- 25,3472024 5-year
- Median household income
- $50,0662024 5-year
- White (non-Hispanic)
- 91.3%2024 5-year
- Black
- 0.9%2024 5-year
- Hispanic / Latino
- 2.8%2024 5-year
- Peak Democratic margin
- D+23.2 in 1964MIT Election Lab
- Peak Republican margin
- R+58.8 in 1924MIT Election Lab
- Most similar
- Roscommon County, MI · twin score 96.0
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 75.8%15,849 participants ÷ 20,909 CVAP
- 2020→2022 drop-off
- +13.4 ptsVolatile
- Drop-off versus state
- -1.8 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 62.4%–65.2%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 13,597 | 20,866 | 65.2% | A/A |
| 2018 · Midterm | 11,905 | 20,754 | 57.4% | A/A |
| 2020 · Presidential | 15,470 | 20,847 | 74.2% | A/A |
| 2022 · Midterm | 12,753 | 20,964 | 60.8% | A/A |
| 2024 · Presidential | 15,849 | 20,909 | 75.8% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
36 precincts · 15,731 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -City of East Tawas, Precinct 1City of East Tawas, Precinct 1 | 626 | 1,014 | 27 | 1,667 | 37.6% | 60.8% | R+23.3 |
|---|---|---|---|---|---|---|---|
| Precinct -Oscoda Township, Precinct 1Oscoda Township, Precinct 1 | 561 | 897 | 24 | 1,482 | 37.9% | 60.5% | R+22.7 |
| Precinct -Plainfield Township, Precinct 2Plainfield Township, Precinct 2 | 442 | 993 | 24 | 1,459 | 30.3% | 68.1% | R+37.8 |
| Precinct -Au Sable Township, Precinct 1Au Sable Township, Precinct 1 | 450 | 751 | 19 | 1,220 | 36.9% | 61.6% | R+24.7 |
| Precinct -Oscoda Township, Precinct 4Oscoda Township, Precinct 4 | 463 | 655 | 24 | 1,142 | 40.5% | 57.4% | R+16.8 |
| Precinct -Tawas Township, Precinct 1Tawas Township, Precinct 1 | 278 | 830 | 11 | 1,119 | 24.8% | 74.2% | R+49.3 |
| Precinct -Oscoda Township, Precinct 3Oscoda Township, Precinct 3 | 430 | 669 | 15 | 1,114 | 38.6% | 60.1% | R+21.5 |
| Precinct -Baldwin Township, Precinct 1Baldwin Township, Precinct 1 | 371 | 687 | 10 | 1,068 | 34.7% | 64.3% | R+29.6 |
| Precinct -City of Tawas City, Precinct 1City of Tawas City, Precinct 1 | 384 | 641 | 25 | 1,050 | 36.6% | 61.0% | R+24.5 |
| Precinct -Grant Township, Precinct 1Grant Township, Precinct 1 | 326 | 708 | 12 | 1,046 | 31.2% | 67.7% | R+36.5 |
| Precinct -Plainfield Township, Precinct 1Plainfield Township, Precinct 1 | 242 | 555 | 10 | 807 | 30.0% | 68.8% | R+38.8 |
| Precinct -Wilber Township, Precinct 1Wilber Township, Precinct 1 | 170 | 349 | 7 | 526 | 32.3% | 66.3% | R+34.0 |
| Precinct -Oscoda Township, Precinct 2Oscoda Township, Precinct 2 | 168 | 349 | 4 | 521 | 32.2% | 67.0% | R+34.7 |
| Precinct -Burleigh Township, Precinct 1Burleigh Township, Precinct 1 | 107 | 264 | 4 | 375 | 28.5% | 70.4% | R+41.9 |
| Precinct -Alabaster Township, Precinct 1Alabaster Township, Precinct 1 | 113 | 228 | 5 | 346 | 32.7% | 65.9% | R+33.2 |
| Precinct -Reno Township, Precinct 1Reno Township, Precinct 1 | 101 | 230 | 4 | 335 | 30.1% | 68.7% | R+38.5 |
| Precinct -Sherman Township, Precinct 1Sherman Township, Precinct 1 | 61 | 196 | 3 | 260 | 23.5% | 75.4% | R+51.9 |
| Precinct -City of Whittemore, Precinct 1City of Whittemore, Precinct 1 | 51 | 139 | 4 | 194 | 26.3% | 71.6% | R+45.4 |
| 0690076000001069-00760-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0690430000001069-04300-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0690492000001069-04920-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0691174000001069-11740-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0692442000001069-24420-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0693428000001069-34280-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696134000001069-61340-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696134000002069-61340-00002 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696134000003069-61340-00003 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696134000004069-61340-00004 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696464000001069-64640-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696464000002069-64640-00002 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0696796000001069-67960-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0697318000001069-73180-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0697810000001069-78100-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0697814000001069-78140-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0698714000001069-87140-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
| 0698718000001069-87180-00001 | 0 | 0 | 0 | 0 | — | — | No votes |
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% |
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 33.6%4,897 | 66.4%9,688 | 14,585 |
| 2020 | R | 39.4%5,663 | 60.6%8,700 | 14,363 |
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 21,293 |
| 2018 | 21,319 |
| 2020 | 22,651 |
| 2022 | 23,321 |
| 2024 | 23,688 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+83 net domestic migration · 2025
Net +2,143 over 2011–2025 · gain loss
Arrivals reported $61,019 in average income, against $57,727 for residents who stayed — 6% higher. (IRS SOI, 2022–23)
The places arrivals came from lean R+14.5 on average — 16 points more Democratic-leaning than Iosco County, MI itself (R+30.6).
Where arrivals came from lean of each source
- Ogemaw County, MI58R+42.0
- Alcona County, MI52R+41.7
- Oakland County, MI48D+10.6
- Genesee County, MI38D+4.2
- Wayne County, MI35D+29.0
- Arenac County, MI30R+40.6
Where departures went households, 2022–23
- Alcona County, MI48
- Ogemaw County, MI47
- Oakland County, MI39
- Genesee County, MI35
- Arenac County, MI32
- Wayne County, MI29
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −80 |
| 2012 | +16 |
| 2013 | +156 |
| 2014 | +141 |
| 2015 | +88 |
| 2016 | +122 |
| 2017 | +45 |
| 2018 | +137 |
| 2019 | +182 |
| 2021 | +472 |
| 2022 | +380 |
| 2023 | +155 |
| 2024 | +246 |
| 2025 | +83 |
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 Cheboygan County.
The counties 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Iosco County, Michigan. Akashic. https://akashic.app/county/26069/. Accessed May 20, 2026. License: CC BY 4.0.