
Mecosta County
- State:
- Michigan
- County Seat:
- Big Rapids
Mecosta County's estimated 2025 population is 41,733 with a growth rate of 0.77% in the past year according to the most recent United States census data. Mecosta County is the 40th largest county in Michigan. The 2010 population was 42,851 and has seen a growth of -2.61% since that time.