
Macomb County
- State:
- Michigan
- County Seat:
- Mount Clemens
Macomb County's estimated 2025 population is 876,833 with a growth rate of 0.1% in the past year according to the most recent United States census data. Macomb County is the 3rd largest county in Michigan. The 2010 population was 841,350 and has seen a growth of 4.22% since that time.