Willow Lake

County:: Clark County
County Seat:: No
Area (mi²):: 0.372
State:: South Dakota

Willow Lake is a city located in Clark County, South Dakota. Willow Lake has a 2025 population of 261. Willow Lake is currently declining at a rate of 0% annually and its population has increased by 0.38% since the most recent census, which recorded a population of 260 in 2020.

The average household income in Willow Lake is $71,299 with a poverty rate of 1.1%.The median age in Willow Lake is 16.2 years: 15 years for males, and 17.4 years for females.

Demographics

The racial composition of Willow Lake includes 83.08% White, 12.09% other race, 3.52% Black or African American, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	378	83.08%
Other race	55	12.09%
Black or African American	16	3.52%
Two or more races	6	1.32%

Willow Lake Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Willow Lake's average per capita income is $41,250. Household income levels show a median of $63,929. The poverty rate stands at 1.1%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$90,156	-
Families	$77,500	$81,957
Households	$63,929	$71,299
Non Families	$57,794	$46,406

$41,250

Average Income

$63,929

Median Household Income

1.1%

Poverty Rate