
Union township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 35.466
- State:
- Michigan
Union township is located in Cass County, Michigan. Union township has a 2025 population of 2,829. Union township is currently declining at a rate of -1.57% annually and its population has decreased by -4.26% since the most recent census, which recorded a population of 2,955 in 2020.
The average household income in Union township is $79,038 with a poverty rate of 13.24%. The median age in Union township is 32.9 years: 31 years for males, and 36 years for females.