Ravenna township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.466
- State:
- South Dakota
Ravenna township is located in Sanborn County, South Dakota. Ravenna township has a 2026 population of 39. Ravenna township is currently declining at a rate of -2.5% annually and its population has decreased by 0% since the most recent census, which recorded a population of 39 in 2020.
The median age in Ravenna township is 44.9 years: 53.1 years for males, and 0 years for females. For every 100 females there are 183.3 males.