
Union township
- County:
- Miami County
- County Seat:
- No
- Area (mi²):
- 21.732
- State:
- Indiana
Union township is located in Miami County, Indiana. Union township has a 2025 population of 725. Union township is currently declining at a rate of -1.63% annually and its population has decreased by -5.97% since the most recent census, which recorded a population of 771 in 2020.
The average household income in Union township is $76,780 with a poverty rate of 14.08%. The median age in Union township is 38.2 years: 31 years for males, and 39.8 years for females.