Vermillion city, South Dakota
Official LSAD Designation: Vermillion city • Census GEOID: 4666700
• Clay County
Vermillion city is an incorporated city in Clay County, South Dakota. According to official records from the Census (2025), Vermillion city had an estimated population of 11,720 residents. Official Census Bureau geographic records classify this community under LSAD designation Vermillion city (GEOID 4666700).
Local Government Administration U.S. Census Bureau GMAF
City Of Vermillion
Municipal
Official Title:
Mayor
Address:
25 CENTER ST, VERMILLION SD 57069-2101
County Of Clay
County
Official Title:
Chairman
Address:
211 W MAIN ST, STE 200, VERMILLION SD 57069-2056
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 11,720 | 2025 |
| Median Household Income | $50,456 | 2020-2024 |
| Median Home Value | $219,000 | 2020-2024 |
| Land Area | 4.92 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).