Belle Plaine township is located in Spink County, South Dakota. Belle Plaine township has a 2026 population of 81. Belle Plaine township is currently growing at a rate of 1.25% annually but its population has decreased by -1.22% since the most recent census, which recorded a population of 82 in 2020.
The median household income in Belle Plaine township is $138,750 with a poverty rate of 0%. The median age in Belle Plaine township is 21.6 years: 21.9 years for males, and 19.8 years for females. For every 100 females there are 106.9 males.
Data after 2023 is projected based on recent change
Overall: 21.6 years
Female: 19.8 years
Male: 21.9 years
There are 49 adults, (6 of whom are seniors) in Belle Plaine township.
Female: 29 (48.3%)
Male: 31 (51.7%)
The racial composition of Belle Plaine township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 60 | 100% |
Belle Plaine township 's average per capita income is $2,499. Household income levels show a median of $138,750. The poverty rate stands at 0%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $145,625 | $140,931 |
| Married Families | $145,625 | - |
| Households | $138,750 | $120,263 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate