Day is located in Clark County, South Dakota. Day has a 2025 population of 108. Day is currently declining at a rate of 0% annually and its population has increased by 3.85% since the most recent census, which recorded a population of 104 in 2020.
The average household income in Day is $118,522 with a poverty rate of 0%.The median age in Day is 16 years: 16 years for males, and 26.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Day includes 100% White, and smaller percentages for and multiracial populations.
White (100.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 140 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Day's average per capita income is $76,333. Household income levels show a median of $104,485. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $104,485 | $118,522 |
| Families | $104,191 | $118,867 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate