Harrison township
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 30.111
- State:
- Indiana
Harrison township is located in Union County, Indiana. Harrison township has a 2026 population of 404. Harrison township is currently declining at a rate of -1.46% annually and its population has decreased by -3.12% since the most recent census, which recorded a population of 417 in 2020.
The median household income in Harrison township is $151,908 with a poverty rate of 0%. The median age in Harrison township is 55.7 years: 59.2 years for males, and 55 years for females. For every 100 females there are 93.8 males.