Wilbur township is located in Brule County, South Dakota. Wilbur township has a 2026 population of 264. Wilbur township is currently growing at a rate of 1.54% annually and its population has increased by 5.6% since the most recent census, which recorded a population of 250 in 2020.
The median age in Wilbur township is 28.4 years: 28.8 years for males, and 19.6 years for females. For every 100 females there are 142.4 males.
Data after 2023 is projected based on recent change
Overall: 28.4 years
Female: 19.6 years
Male: 28.8 years
There are 76 adults, (15 of whom are seniors) in Wilbur township.
Female: 33 (41.2%)
Male: 47 (58.8%)
The racial composition of Wilbur township includes 68.75% White, 31.25% Black or African American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 55 | 68.75% |
| Black or African American | 25 | 31.25% |