Ravenna township is located in Sanborn County, South Dakota. Ravenna township has a 2026 population of 37. Ravenna township is currently declining at a rate of -2.63% annually and its population has decreased by -5.13% since the most recent census, which recorded a population of 39 in 2020.
The median age in Ravenna township is 50 years: 0 years for males, and 0 years for females. For every 100 females there are 300.0 males.
Data after 2023 is projected based on recent change
Overall: 50 years
Female: 0 years
Male: 0 years
There are 12 adults, (6 of whom are seniors) in Ravenna township.
Female: 3 (25%)
Male: 9 (75%)
The racial composition of Ravenna township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 12 | 100% |