
Union township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 40.795
- State:
- Indiana
Union township is located in Marshall County, Indiana. Union township has a 2025 population of 2,807. Union township is currently growing at a rate of 0.04% annually and its population has increased by 1.19% since the most recent census, which recorded a population of 2,774 in 2020.
The average household income in Union township is $91,212 with a poverty rate of 15.34%. The median age in Union township is 54.4 years: 50.2 years for males, and 57.3 years for females.