Mellette is a city located in Spink County, South Dakota. Mellette has a 2026 population of 190. Mellette is currently declining at a rate of -0.52% annually and its population has decreased by -4.04% since the most recent census, which recorded a population of 198 in 2020.
The median household income in Mellette is $106,964 with a poverty rate of 10.05%. The median age in Mellette is 39.4 years: 39.8 years for males, and 34.8 years for females. For every 100 females there are 82.6 males.
Data after 2023 is projected based on recent change
Overall: 39.4 years
Female: 34.8 years
Male: 39.8 years
There are 136 adults, (40 of whom are seniors) in Mellette.
Female: 109 (54.8%)
Male: 90 (45.2%)
The racial composition of Mellette includes 98.49% White, and smaller percentages for other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 196 | 98.49% |
| Other race | 3 | 1.51% |
Mellette 's average per capita income is $70,000. Household income levels show a median of $106,964. The poverty rate stands at 10.05%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $118,750 | - |
| Families | $115,833 | $129,468 |
| Households | $106,964 | $112,016 |
| Non Families | $41,250 | $62,875 |
Average Income
Median Household Income
Poverty Rate