Washington township Flag

Washington township

County:
Aurora County
County Seat:
No
Area (mi²):
35.577
State:
South Dakota

Washington township is located in Aurora County, South Dakota. Washington township has a 2026 population of 39. Washington township is currently declining at a rate of -2.5% annually and its population has decreased by -7.14% since the most recent census, which recorded a population of 42 in 2020.

The median age in Washington township is 43.5 years: 36.5 years for males, and 48.3 years for females. For every 100 females there are 188.9 males.

39
Total Population
1.1
Density (mi²)
-1 -2.5%
Growth

Washington township Population

Washington township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202639-1-2.5%
202540-1-2.44%
202441-1-2.38%
20234200%
20224200%
20214200%
20204200%
20194700%
20184700%
201747-1-2.08%
20164800%
20154800%
20144812.13%
20134712.17%
20124600%
20114600%
20104600%

Median Age

Overall: 43.5 years
Female: 48.3 years
Male: 36.5 years

Washington township Adults

There are 34 adults, (15 of whom are seniors) in Washington township.

Sex Ratio

Female: 18 (34.6%)
Male: 34 (65.4%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White52100%
Race
Population ↓
Percentage (of total)
White52100%

Washington township Marital Status

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)