Valley township is located in Day County, South Dakota. Valley township has a 2026 population of 44. Valley township is currently declining at a rate of 0% annually and its population has increased by 2.33% since the most recent census, which recorded a population of 43 in 2020.
The median age in Valley township is 14.5 years: 14.9 years for males, and 11.6 years for females. For every 100 females there are 53.1 males.
Data after 2023 is projected based on recent change
The racial composition of Valley township includes 78.23% White, 14.52% Native American, and smaller percentages for and multiracial populations.
White (78.23%)
Native American (14.52%)
Two or more races (7.26%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 97 | 78.23% |
| Native American | 18 | 14.52% |
| Two or more races | 9 | 7.26% |
Married
Widowed
Divorced
Separated
Never Married