
Cass County
- State:
- Michigan
- County Seat:
- Cassopolis
Cass County's estimated 2025 population is 51,972 with a growth rate of 0.32% in the past year according to the most recent United States census data. Cass County is the 35th largest county in Michigan. The 2010 population was 52,245 and has seen a growth of -0.52% since that time.