Walshtown township
- County:
- Yankton County
- County Seat:
- No
- Area (mi²):
- 36.279
- State:
- South Dakota
Walshtown township is located in Yankton County, South Dakota. Walshtown township has a 2026 population of 155. Walshtown township is currently declining at a rate of -0.64% annually and its population has decreased by 0% since the most recent census, which recorded a population of 155 in 2020.
The median household income in Walshtown township is $73,558 with a poverty rate of 14.14%. The median age in Walshtown township is 13.9 years: 26.4 years for males, and 13.5 years for females. For every 100 females there are 113.2 males.