Spink County's estimated 2026 population is 6,156 with a growth rate of 0.02% 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 -4.13% since that time.
Data after 2023 is projected based on recent change
Overall: 45.5 years
Female: 47.3 years
Male: 43 years
There are 4,906 adults, (1,522 of whom are seniors) in Spink County.
Female: 3,072 (49.4%)
Male: 3,147 (50.6%)
The racial composition of Spink County includes 92.75% White, and smaller percentages for Black or African American, Native American, other race and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,768 | 92.75% |
| Two or more races | 311 | 5% |
| Black or African American | 97 | 1.56% |
| Native American | 28 | 0.45% |
| Other race | 15 | 0.24% |
Spink County's average per capita income is $45,162. Household income levels show a median of $70,139. The poverty rate stands at 10.05%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,818 | - |
| Families | $95,104 | $110,127 |
| Households | $70,139 | $90,477 |
| Non Families | $50,461 | $57,902 |
Average Income
Median Household Income
Poverty Rate