Willow Lake township is located in Clark County, South Dakota. Willow Lake township has a 2026 population of 46. Willow Lake township is currently declining at a rate of -2.13% annually but its population has increased by 2.22% since the most recent census, which recorded a population of 45 in 2020.
The median household income in Willow Lake township is $115,938 with a poverty rate of 13.95%. The median age in Willow Lake township is 63.5 years: 63.1 years for males, and 65.1 years for females. For every 100 females there are 108.3 males.
Data after 2023 is projected based on recent change
The racial composition of Willow Lake township includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 50 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Willow Lake township's average per capita income is $0. Household income levels show a median of $115,938. The poverty rate stands at 13.95%.
Name | Median | Mean |
|---|---|---|
| Families | $116,354 | $112,595 |
| Married Families | $116,354 | - |
| Households | $115,938 | $112,844 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate