Summit township is located in Roberts County, South Dakota. Summit township has a 2026 population of 39. Summit township is currently growing at a rate of 5.41% annually and its population has increased by 14.71% since the most recent census, which recorded a population of 34 in 2020.
The median age in Summit township is 53.5 years: 70.4 years for males, and 3.8 years for females. For every 100 females there are 92.9 males.
Data after 2023 is projected based on recent change
Overall: 53.5 years
Female: 3.8 years
Male: 70.4 years
There are 19 adults, (13 of whom are seniors) in Summit township.
Female: 14 (51.9%)
Male: 13 (48.1%)
The racial composition of Summit township includes 92.59% White, 7.41% Asian, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 25 | 92.59% |
| Asian | 2 | 7.41% |