Smithwick is a CDP located in Fall River County, South Dakota. Smithwick has a 2026 population of 27. Smithwick is currently growing at a rate of 8% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Smithwick is 38.8 years: 45.5 years for males, and 38.8 years for females. For every 100 females there are 127.3 males.
Data after 2023 is projected based on recent change
Overall: 38.8 years
Female: 38.8 years
Male: 45.5 years
There are 19 adults, (3 of whom are seniors) in Smithwick.
Female: 11 (44%)
Male: 14 (56%)
The racial composition of Smithwick includes 84% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 21 | 84% |
| Two or more races | 4 | 16% |