Elliston township is located in Tripp County, South Dakota. Elliston township has a 2026 population of 25. Elliston 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 25 in 2020.
The median age in Elliston township is 66.3 years: 0 years for males, and 0 years for females. For every 100 females there are 162.5 males.