Mecosta County Flag

Mecosta County

State:
Michigan
County Seat:
Big Rapids

Mecosta County's 2026 population is estimated at 42,397, reflecting a 0.53% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Mecosta County is the 39th largest county in Michigan. The 2010 population was 42,851 and has grown -1.06% since 2010.

42,397
Total Population
76
Population Density (mi²)
39
Population Rank (State)
225 0.53%
Annual Population Growth

Mecosta County Population

Demographics

Economics and Income Statistics