Erwin town, South Dakota
Official LSAD Designation: Erwin town • Census GEOID: 4619860
• Kingsbury County
Erwin town is an incorporated town in Kingsbury County, South Dakota. According to official records from the Census (2025), Erwin town had an estimated population of 41 residents. Official Census Bureau geographic records classify this community under LSAD designation Erwin town (GEOID 4619860).
Local Government Administration U.S. Census Bureau GMAF
Town Of Erwin
Municipal
Official Title:
President
Address:
100 MAIN ST W, ERWIN SD 57233
County Of Kingsbury
County
Official Title:
Commissioner
Address:
110 LAKE AVE S, LAKE PRESTON SD 57249-2019
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 41 | 2025 |
| Median Household Income | $86,250 | 2020-2024 |
| Median Home Value | Data unavailable | ACS 5-Year |
| Land Area | 0.48 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).