
Afton township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 34.48
- State:
- South Dakota
Afton township is located in Sanborn County, South Dakota. Afton township has a 2025 population of 30. Afton township is currently declining at a rate of -3.23% annually and its population has decreased by -6.25% since the most recent census, which recorded a population of 32 in 2020.
The average household income in Afton township is $103,332 with a poverty rate of 0%. The median age in Afton township is 59.4 years: 36.8 years for males, and 59.6 years for females.