Walworth County's estimated 2025 population is 5,235 with a growth rate of -0.32% in the past year according to the most recent United States census data. Walworth County is the 36th largest county in South Dakota. The 2010 population was 5,443 and has seen a growth of -3.82% since that time.
Data after 2023 is projected based on recent change
The racial composition of Walworth County includes 79.65% White, 10.46% Native American, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White
Native American
Two or more races
Black or African American
Other race
Asian
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,220 | 79.65% |
| Native American | 554 | 10.46% |
| Two or more races | 494 | 9.32% |
| Black or African American | 16 | 0.3% |
| Other race | 8 | 0.15% |
| Asian | 6 | 0.11% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Walworth County's average per capita income is $48,796. Household income levels show a median of $62,722. The poverty rate stands at 15.28%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,250 | - |
| Families | $81,821 | $105,285 |
| Households | $62,722 | $85,035 |
| Non Families | $42,430 | $49,235 |
Average Income
Median Household Income
Poverty Rate