Iosco, Michigan — Presidential Election Results

Iosco, Michigan has voted Republican in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2012. In 2024, it was 29.6 pts more Rep. than Michigan overall.

Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024

Full Election History, 2000–2024

Year Winner Party Votes Vote Share Margin Total Votes Cast Swing Vs. Michigan
2000 Al Gore Democratic 6,505 49.2% 1.2 pts (160 votes) 13,222 — 4.0 pts more Rep.
2004 George W. Bush Republican 7,301 52.1% 5.3 pts (744 votes) 14,006 -6.6 pts 8.8 pts more Rep.
2008 Barack Obama Democratic 7,309 51.5% 5.1 pts (726 votes) 14,187 +10.6 pts 11.5 pts more Rep.
2012 Mitt Romney Republican 6,909 51.8% 5.0 pts (667 votes) 13,344 -10.3 pts 14.7 pts more Rep.
2016 Donald Trump Republican 8,345 62.5% 29.9 pts (4,000 votes) 13,361 -26.4 pts 31.3 pts more Rep.
2020 Donald J Trump Republican 9,759 63.5% 28.5 pts (4,386 votes) 15,363 +2.5 pts 31.8 pts more Rep.
2024 Donald J Trump Republican 10,155 64.6% 30.6 pts (4,811 votes) 15,731 -2.1 pts 29.6 pts more Rep.

Population Context

Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Year County Population Votes Cast (% of Population)
2000 27,334 48.4% of population
2004 26,860 52.1% of population
2008 26,542 53.5% of population
2012 25,453 52.4% of population
2016 25,284 52.8% of population
2020 25,189 61.0% of population
2024 25,361 62.0% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Iosco shifted 32.3 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.

Margin Over Time

Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.

2000: D+1.2 pts 2004: R+5.4 pts 2008: D+5.2 pts 2012: R+5.1 pts 2016: R+31.5 pts 2020: R+29.0 pts 2024: R+31.0 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Iosco has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Michigan's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.

Related Pages

Other Michigan Counties

Frequently Asked Questions

How has Iosco voted in presidential elections since 2000?

Since 2000, Iosco has voted Democratic in 2 of 7 recorded presidential elections and Republican in 5 of 7, based on county-level returns through 2024.

What was the closest presidential election in Iosco?

Iosco's closest recorded margin was in 2000, when Al Gore (Democratic) won by 1.2 points (160 votes) out of 13,222 total votes cast.

Has Iosco ever flipped between parties?

Yes. Iosco changed which party won the county in: 2004, 2008, 2012, based on the 2000-2024 record on this page.

What is the largest presidential election margin recorded in Iosco?

The widest margin on record for Iosco was in 2016, when Donald Trump (Republican) won by 31.5 points.

How many votes were cast in Iosco relative to its population?

In 2024, 15,731 votes were recorded in Iosco against a total population of 25,361 (62.0% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Is Iosco a presidential bellwether county?

Iosco has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Michigan's own statewide winner in 4 of 7 (57%).