
Harrison township
- County:
- Miami County
- County Seat:
- No
- Area (mi²):
- 23.377
- State:
- Indiana
Harrison township is located in Miami County, Indiana. Harrison township has a 2025 population of 650. Harrison township is currently declining at a rate of -1.52% annually and its population has decreased by -5.66% since the most recent census, which recorded a population of 689 in 2020.
The average household income in Harrison township is $81,355 with a poverty rate of 3.53%. The median age in Harrison township is 32.6 years: 32.9 years for males, and 31.7 years for females.