Walnut Grove township Flag

Walnut Grove township

County:
Douglas County
County Seat:
No
Area (mi²):
28.984
State:
South Dakota

Walnut Grove township is located in Douglas County, South Dakota. Walnut Grove township has a 2025 population of 113. Walnut Grove township is currently growing at a rate of 1.8% annually and its population has increased by 2.73% since the most recent census, which recorded a population of 110 in 2020.

The average household income in Walnut Grove township is $123,284 with a poverty rate of 0%.The median age in Walnut Grove township is 29.1 years: 32.5 years for males, and 24.1 years for females.

113
Total Population
4
Density (mi²)
2 1.8%
Growth

Walnut Grove township Population

Walnut Grove township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Walnut Grove township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White190100%

Walnut Grove township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Walnut Grove township's average per capita income is $61,875. Household income levels show a median of $86,667. The poverty rate stands at 0%.

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
Households$86,667$123,284
Families$86,667$123,284
Married Families$86,667-
Non Families--

$61,875

Average Income

$86,667

Median Household Income

0%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)