Mosher is located in Mellette County, South Dakota. Mosher has a 2025 population of 25. Mosher is currently declining at a rate of 0% annually and its population has decreased by -3.85% since the most recent census, which recorded a population of 26 in 2020.
The median age in Mosher is 16.8 years: 47.1 years for males, and 16.6 years for females.
Data after 2023 is projected based on recent change
The racial composition of Mosher includes 64.29% White, 35.71% Native American, and smaller percentages for and multiracial populations.
White (64.3%)
Native American (35.7%)
Race | Population | Percentage (of total) |
---|---|---|
White | 18 | 64.29% |
Native American | 10 | 35.71% |
Married
Widowed
Divorced
Separated
Never Married