Pleasant Valley township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 35.815
- State:
- South Dakota
Pleasant Valley township is located in Marshall County, South Dakota. Pleasant Valley township has a 2025 population of 188. Pleasant Valley township is currently growing at a rate of 1.62% annually and its population has increased by 7.43% since the most recent census, which recorded a population of 175 in 2020.
The median age in Pleasant Valley township is 41.5 years: 41.4 years for males, and 42.1 years for females.