Green Valley township is located in Miner County, South Dakota. Green Valley township has a 2026 population of 44. Green Valley township is currently growing at a rate of 2.33% annually and its population has increased by 4.76% since the most recent census, which recorded a population of 42 in 2020.
The median age in Green Valley township is 64.4 years: 61.8 years for males, and 64.6 years for females. For every 100 females there are 107.7 males.
Data after 2023 is projected based on recent change
Overall: 64.4 years
Female: 64.6 years
Male: 61.8 years
There are 23 adults, (11 of whom are seniors) in Green Valley township.
Female: 13 (48.1%)
Male: 14 (51.9%)
The racial composition of Green Valley township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 27 | 100% |