Gayville town, South Dakota
Official LSAD Designation: Gayville town • Census GEOID: 4623900
• Yankton County
Gayville town is an incorporated town in Yankton County, South Dakota. According to official records from the Census (2025), Gayville town had an estimated population of 375 residents. Official Census Bureau geographic records classify this community under LSAD designation Gayville town (GEOID 4623900).
Local Government Administration U.S. Census Bureau GMAF
Town Of Gayville
Municipal
Official Title:
Town Clerk
Address:
PO BOX 162, GAYVILLE SD 57031-0162
County Of Yankton
County
Official Title:
Auditor
Address:
321 W 3RD ST, STE 100, YANKTON SD 57078
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 375 | 2025 |
| Median Household Income | $79,375 | 2020-2024 |
| Median Home Value | $99,300 | 2020-2024 |
| Land Area | 0.24 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).