St. Joseph County Flag

St. Joseph County

State:
Michigan
County Seat:
Centreville

St. Joseph County's estimated 2025 population is 61,078 with a growth rate of 0.16% in the past year according to the most recent United States census data. St. Joseph County is the 33rd largest county in Michigan. The 2010 population was 61,288 and has seen a growth of -0.34% since that time.

61,078
Total Population
122
Population Density (mi²)
33
Population Rank (State)
100 0.16%
Annual Population Growth

St. Joseph County Population

Demographics

Economics and Income Statistics