Diana township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.317
- State:
- South Dakota
Diana township is located in Sanborn County, South Dakota. Diana township has a 2026 population of 47. Diana township is currently declining at a rate of -2.08% annually and its population has decreased by 0% since the most recent census, which recorded a population of 47 in 2020.
The median age in Diana township is 74.2 years: 0 years for males, and 74.2 years for females. For every 100 females there are 66.7 males.