Belle Prairie is located in Beadle County, South Dakota. Belle Prairie has a 2025 population of 47 . Belle Prairie is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 47 in 2020.
The average household income in Belle Prairie is $96,159 with a poverty rate of 5.56%. The median age in Belle Prairie is 24.5 years: 10.3 years for males, and 32.3 years for females. For every 100 females there are 172.7 males.
Data after 2023 is projected based on recent change
The racial composition of Belle Prairie includes 95.56% White, 4.44% other race, and smaller percentages for and multiracial populations.
White (95.56%)
Other race (4.44%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 86 | 95.56% |
| Other race | 4 | 4.44% |
Married
Widowed
Divorced
Separated
Never Married
Belle Prairie's average per capita income is $71,250. Household income levels show a median of $0. The poverty rate stands at 5.56%.
Name | Median | Mean |
|---|---|---|
| Non Families | $70,125 | $52,832 |
| Households | - | $96,159 |
| Families | - | - |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate