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 2026 population of 750. Union township is currently growing at a rate of 0.4% annually but its population has decreased by -2.47% since the most recent census, which recorded a population of 769 in 2020.
The median household income in Union township is $66,471 with a poverty rate of 14.61%. The median age in Union township is 43.3 years: 38.1 years for males, and 44.2 years for females. For every 100 females there are 153.0 males.