
Union township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 35.812
- State:
- Michigan
Union township is located in Cass County, Michigan. Union township has a 2025 population of 479. Union township is currently growing at a rate of 0.42% annually and its population has increased by 1.7% since the most recent census, which recorded a population of 471 in 2020.
The average household income in Union township is $108,692 with a poverty rate of 6.29%. The median age in Union township is 56.1 years: 55.8 years for males, and 58.5 years for females.