
Plankinton township
- County:
- Aurora County
- County Seat:
- No
- Area (mi²):
- 34.084
- State:
- South Dakota
Plankinton township is located in Aurora County, South Dakota. Plankinton township has a 2025 population of 205. Plankinton township is currently growing at a rate of 0.99% annually and its population has increased by 3.02% since the most recent census, which recorded a population of 199 in 2020.
The average household income in Plankinton township is $84,424 with a poverty rate of 12.28%. The median age in Plankinton township is 20.4 years: 20.3 years for males, and 20.4 years for females.