
Constantine township
- County:
- St. Joseph County
- County Seat:
- No
- Area (mi²):
- 34.489
- State:
- Michigan
Constantine township is located in St. Joseph County, Michigan. Constantine township has a 2025 population of 4,037. Constantine township is currently growing at a rate of 0.05% annually but its population has decreased by -0.22% since the most recent census, which recorded a population of 4,046 in 2020.
The average household income in Constantine township is $80,845 with a poverty rate of 14.14%. The median age in Constantine township is 43.1 years: 42.4 years for males, and 44.4 years for females.