Selby city, South Dakota
Official LSAD Designation: Selby city • Census GEOID: 4658140
• Walworth County
Selby city is an incorporated city in Walworth County, South Dakota. According to official records from the Census (2025), Selby city had an estimated population of 600 residents. Official Census Bureau geographic records classify this community under LSAD designation Selby city (GEOID 4658140).
Local Government Administration U.S. Census Bureau GMAF
City Of Selby
Municipal
Official Title:
Mayor
Address:
PO BOX 346, SELBY SD 57472-0346
County Of Walworth
County
Official Title:
Chairperson
Address:
PO BOX 199, SELBY SD 57472-0199
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 600 | 2025 |
| Median Household Income | $49,205 | 2020-2024 |
| Median Home Value | $105,700 | 2020-2024 |
| Land Area | 0.71 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).