
Harrison township
- County:
- Douglas County
- County Seat:
- No
- Area (mi²):
- 35.774
- State:
- South Dakota
Harrison township is located in Douglas County, South Dakota. Harrison township has a 2025 population of 26. Harrison township is currently declining at a rate of 0% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 27 in 2020.
The average household income in Harrison township is $95,070 with a poverty rate of 0%. The median age in Harrison township is 51.7 years: 51.8 years for males, and 47.8 years for females.