Ideal township is located in Tripp County, South Dakota. Ideal township has a 2026 population of 118. Ideal township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 118 in 2020.
The median age in Ideal township is 49.5 years: 0 years for males, and 66.1 years for females. For every 100 females there are 5.3 males.
Data after 2023 is projected based on recent change
Overall: 49.5 years
Female: 66.1 years
Male: 0 years
There are 29 adults, (20 of whom are seniors) in Ideal township.
Female: 38 (95%)
Male: 2 (5%)
The racial composition of Ideal township includes 100% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Native American | 40 | 100% |