Pleasant Valley township is located in Marshall County, South Dakota. Pleasant Valley township has a 2026 population of 190. Pleasant Valley township is currently growing at a rate of 1.6% annually and its population has increased by 8.57% since the most recent census, which recorded a population of 175 in 2020.
The median age in Pleasant Valley township is 41.4 years: 41.3 years for males, and 42.1 years for females. For every 100 females there are 117.1 males.
Data after 2023 is projected based on recent change
Overall: 41.4 years
Female: 42.1 years
Male: 41.3 years
There are 54 adults, (19 of whom are seniors) in Pleasant Valley township.
Female: 41 (46.1%)
Male: 48 (53.9%)
The racial composition of Pleasant Valley township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 89 | 100% |