Iosco County's 2026 population is estimated at 25,361, reflecting a 0% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Iosco County is the 58th largest county in Michigan. The 2010 population was 25,841 and has grown -1.86% since 2010.
Data after 2023 is projected based on recent change
Overall: 53.5 years
Female: 54.6 years
Male: 52.6 years
There are 21,039 adults, (7,872 of whom are seniors) in Iosco County.
Female: 12,679 (50%)
Male: 12,668 (50%)
The racial composition of Iosco County includes 92.03% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 23,326 | 92.03% |
| Two or more races | 1,390 | 5.48% |
| Black or African American | 237 | 0.94% |
| Asian | 198 | 0.78% |
| Other race | 134 | 0.53% |
| Native American | 62 | 0.24% |
Iosco County 's average per capita income is $35,758. Household income levels show a median of $50,066. The poverty rate stands at 17.73%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $74,029 | - |
| Families | $66,171 | $85,871 |
| Households | $50,066 | $67,180 |
| Non Families | $27,024 | $40,079 |
Average Income
Median Household Income
Poverty Rate