Mound City is a town located in Campbell County, South Dakota. Mound City has a 2025 population of 65 . Mound City is currently declining at a rate of -1.52% annually and its population has decreased by -4.41% since the most recent census, which recorded a population of 68 in 2020.
The average household income in Mound City is $51,202 with a poverty rate of 36.08%. The median age in Mound City is 38.3 years: 45.1 years for males, and 27.9 years for females. For every 100 females there are 131.0 males.
Data after 2023 is projected based on recent change
The racial composition of Mound City includes 71.13% White, 9.28% other race, 6.19% Native American, and smaller percentages for and multiracial populations.
White (71.13%)
Two or more races (13.4%)
Other race (9.28%)
Native American (6.19%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 69 | 71.13% |
| Two or more races | 13 | 13.4% |
| Other race | 9 | 9.28% |
| Native American | 6 | 6.19% |
Married
Widowed
Divorced
Separated
Never Married
Mound City's average per capita income is $36,607. Household income levels show a median of $43,750. The poverty rate stands at 36.08%.
Name | Median | Mean |
|---|---|---|
| Non Families | $51,042 | $42,195 |
| Households | $43,750 | $51,202 |
| Families | $23,125 | $58,768 |
| Married Families | $23,125 | - |
Average Income
Median Household Income
Poverty Rate