
Iosco County
- State:
- Michigan
- County Seat:
- Tawas City
Iosco County's estimated 2025 population is 25,173 with a growth rate of -0.4% in the past year according to the most recent United States census data. Iosco County is the 58th largest county in Michigan. The 2010 population was 25,841 and has seen a growth of -2.59% since that time.