Stena township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 35.93
- State:
- South Dakota
Stena township is located in Marshall County, South Dakota. Stena township has a 2025 population of 192. Stena township is currently declining at a rate of 0% annually and its population has increased by 1.05% since the most recent census, which recorded a population of 190 in 2020.
The median age in Stena township is 16.1 years: 14.9 years for males, and 47.1 years for females.