Castlewood township is located in Hamlin County, South Dakota. Castlewood township has a 2026 population of 271. Castlewood township is currently growing at a rate of 2.26% annually and its population has increased by 13.87% since the most recent census, which recorded a population of 238 in 2020.
The median household income in Castlewood township is $156,667 with a poverty rate of 2.14%. The median age in Castlewood township is 32.4 years: 38.1 years for males, and 26.3 years for females. For every 100 females there are 141.3 males.
Data after 2023 is projected based on recent change
Overall: 32.4 years
Female: 26.3 years
Male: 38.1 years
There are 111 adults, (29 of whom are seniors) in Castlewood township.
Female: 80 (41.5%)
Male: 113 (58.5%)
The racial composition of Castlewood township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 193 | 100% |
Castlewood township 's average per capita income is $83,750. Household income levels show a median of $156,667. The poverty rate stands at 2.14%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $182,500 | - |
| Families | $164,375 | $199,766 |
| Households | $156,667 | $175,900 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate