Washington Flag

Washington

County:
Douglas County
County Seat:
No
Area (mi²):
29.125
State:
South Dakota

Washington is located in Douglas County, South Dakota. Washington has a 2025 population of 135. Washington is currently growing at a rate of 2.27% annually and its population has increased by 6.3% since the most recent census, which recorded a population of 127 in 2020.

The average household income in Washington is $124,916 with a poverty rate of 0%.The median age in Washington is 56.2 years: 57.3 years for males, and 55 years for females.

135
Total Population
5
Density (mi²)
3 2.27%
Growth

Washington Population

Washington Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White117100%

Washington Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Washington's average per capita income is $56,042. Household income levels show a median of $148,750. 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
Families$150,385$133,474
Married Families$150,385-
Households$148,750$124,916
Non Families--

$56,042

Average Income

$148,750

Median Household Income

0%

Poverty Rate

Nearby Cities

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)