Plummer township is located in Brule County, South Dakota. Plummer township has a 2026 population of 15. Plummer 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 15 in 2020.
The median age in Plummer township is 40.1 years: 12.8 years for males, and 0 years for females. For every 100 females there are 400.0 males.
Data after 2023 is projected based on recent change
Overall: 40.1 years
Female: 0 years
Male: 12.8 years
There are 8 adults, (0 of whom are seniors) in Plummer township.
Female: 3 (20%)
Male: 12 (80%)
The racial composition of Plummer township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 15 | 100% |