| Name | Walworth County |
| State | South Dakota |
| FIPS Code | 46129 |
| County Seat | Selby |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 5,443 |
| Population Growth Rate(2000-2022) | -2.26% |
| Majority Ethnicity | White 86.49% |
| Public School Majority Ethnicity | White 67% |
| Partisan Voting Index | Strongly Republican:+27 |
| Unemployment Rate (November 2024) | 2.1% |
| Area Code(s) | 605 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 86.49% |
| African American | 2.36% |
| Hispanic | 11.01% |
| Asian | 0.14% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 67.11% |
| African American | 1.33% |
| Hispanic | 2.92% |
| Asian | 1.19% |
| Native American | 24.27% |
| Hawaiin/Pacific Islander | 0% |