Spencer city, South Dakota
Official LSAD Designation: Spencer city • Census GEOID: 4660060
• McCook County
Spencer city is an incorporated city in McCook County, South Dakota. According to official records from the Census (2025), Spencer city had an estimated population of 139 residents. Official Census Bureau geographic records classify this community under LSAD designation Spencer city (GEOID 4660060).
Local Government Administration U.S. Census Bureau GMAF
Town Of Spencer
Municipal
Official Title:
President
Address:
PO BOX 9, SPENCER SD 57374-0009
County Of Mccook
County
Official Title:
Mccook County Auditor
Address:
PO BOX 190, SALEM SD 57058-0190
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 139 | 2025 |
| Median Household Income | $67,188 | 2020-2024 |
| Median Home Value | $155,600 | 2020-2024 |
| Land Area | 0.27 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).