Buffalo township
- County:
- Harding County
- County Seat:
- No
- Area (mi²):
- 34.521
- State:
- South Dakota
Buffalo township is located in Harding County, South Dakota. Buffalo township has a 2026 population of 210. Buffalo township is currently declining at a rate of -0.47% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 220 in 2020.
The median household income in Buffalo township is $190,625 with a poverty rate of 3.25%. The median age in Buffalo township is 37 years: 43.3 years for males, and 35.5 years for females. For every 100 females there are 82.2 males.