Spink County's estimated 2026 population is 6,026 with a growth rate of -0.68% in the past year according to the most recent United States census data. Spink County is the 29th largest county in South Dakota. The 2010 population was 6,421 and has seen a growth of -6.15% since that time.
Data after 2023 is projected based on recent change
The racial composition of Spink County includes 94.62% White, and smaller percentages for Black or African American, other race, Native American and multiracial populations.
White (94.62%)
Two or more races (3.85%)
Black or African American (0.91%)
Other race (0.33%)
Native American (0.29%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,945 | 94.62% |
| Two or more races | 242 | 3.85% |
| Black or African American | 57 | 0.91% |
| Other race | 21 | 0.33% |
| Native American | 18 | 0.29% |
Married
Widowed
Divorced
Separated
Never Married
Spink County's average per capita income is $42,135. Household income levels show a median of $73,011. The poverty rate stands at 9.25%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,891 | - |
| Families | $94,521 | $111,203 |
| Households | $73,011 | $92,183 |
| Non Families | $44,115 | $56,873 |
Average Income
Median Household Income
Poverty Rate