
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 2025 population of 42. Washington township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 42 in 2020.
The average household income in Washington township is $68,782 with a poverty rate of 0%. The median age in Washington township is 57.1 years: 53.5 years for males, and 70.3 years for females.