
Cassopolis
- County:
- Cass County
- County Seat:
- Yes
- Area (mi²):
- 2.011
- State:
- Michigan
Cassopolis is a village located in Cass County, Michigan. Cassopolis has a 2025 population of 1,706. It is also the county seat of .Cassopolis is currently declining at a rate of -0.35% annually and its population has decreased by -1.73% since the most recent census, which recorded a population of 1,736 in 2020.
The average household income in Cassopolis is $52,341 with a poverty rate of 21.62%. The median age in Cassopolis is 42.6 years: 41.6 years for males, and 44.4 years for females.