Walworth County's estimated 2026 population is 5,282 with a growth rate of 0.11% in the past year according to the most recent United States census data. Walworth County is the 34th largest county in South Dakota. The 2010 population was 5,443 and has seen a growth of -2.96% 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 and multiracial populations.
White (79.65%)
Native American (10.46%)
Two or more races (9.32%)
Black or African American (0.3%)
Other race (0.15%)
Asian (0.11%)
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% |
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