
Mackinac County
- State:
- Michigan
- County Seat:
- Saint Ignace
Mackinac County's estimated 2025 population is 10,629 with a growth rate of -1.03% in the past year according to the most recent United States census data. Mackinac County is the 75th largest county in Michigan. The 2010 population was 11,104 and has seen a growth of -4.28% since that time.