Beadle County's 2026 population is estimated at 19,617, reflecting a 0.4% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Beadle County is the 11th largest county in South Dakota. The 2010 population was 17,406 and has grown 12.7% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.6 years
Female: 38.6 years
Male: 37 years
There are 13,912 adults, (3,561 of whom are seniors) in Beadle County.
Female: 9,520 (49.3%)
Male: 9,789 (50.7%)
The racial composition of Beadle County includes 71.45% White, 9.8% Asian, 7.78% other race, and smaller percentages for Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,797 | 71.45% |
| Asian | 1,892 | 9.8% |
| Two or more races | 1,633 | 8.46% |
| Other race | 1,503 | 7.78% |
| Native American | 290 | 1.5% |
| Black or African American | 190 | 0.98% |
| Native Hawaiian or Pacific Islander | 4 | 0.02% |
Beadle County 's average per capita income is $43,004. Household income levels show a median of $67,681. The poverty rate stands at 13.61%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,180 | - |
| Families | $87,216 | $107,132 |
| Households | $67,681 | $86,374 |
| Non Families | $35,729 | $45,607 |
Average Income
Median Household Income
Poverty Rate