Walworth County's estimated 2026 population is 5,190 with a growth rate of -0.52% 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 -4.65% since that time.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 43.8 years
Male: 39 years
There are 4,021 adults, (1,212 of whom are seniors) in Walworth County.
Female: 2,586 (49.1%)
Male: 2,685 (50.9%)
The racial composition of Walworth County includes 78.58% White, 10.64% Native American, and smaller percentages for Asian, Black or African American, other race and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,142 | 78.58% |
| Native American | 561 | 10.64% |
| Two or more races | 506 | 9.6% |
| Asian | 32 | 0.61% |
| Black or African American | 18 | 0.34% |
| Other race | 12 | 0.23% |
Walworth County's average per capita income is $51,305. Household income levels show a median of $65,026. The poverty rate stands at 14.92%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,823 | - |
| Families | $82,565 | $104,875 |
| Households | $65,026 | $84,478 |
| Non Families | $47,552 | $51,736 |
Average Income
Median Household Income
Poverty Rate