Mosher township is located in Mellette County, South Dakota. Mosher township has a 2026 population of 27. Mosher township is currently declining at a rate of 0% annually and its population has decreased by -6.9% since the most recent census, which recorded a population of 29 in 2020.
The median age in Mosher township is 20.5 years: 36 years for males, and 16.7 years for females. For every 100 females there are 55.6 males.
Data after 2023 is projected based on recent change
Overall: 20.5 years
Female: 16.7 years
Male: 36 years
There are 14 adults, (0 of whom are seniors) in Mosher township.
Female: 18 (64.3%)
Male: 10 (35.7%)
The racial composition of Mosher township includes 64.29% White, 35.71% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 18 | 64.29% |
| Native American | 10 | 35.71% |