Buffalo Gap town, South Dakota
Official LSAD Designation: Buffalo Gap town • Census GEOID: 4608340
• Custer County
Buffalo Gap town is an incorporated town in Custer County, South Dakota. According to official records from the Census (2025), Buffalo Gap town had an estimated population of 155 residents. Official Census Bureau geographic records classify this community under LSAD designation Buffalo Gap town (GEOID 4608340).
Local Government Administration U.S. Census Bureau GMAF
Town Of Buffalo Gap
Municipal
Official Title:
Finance Officer
Address:
PO BOX 295, BUFFALO GAP SD 57722-0295
County Of Custer
County
Official Title:
Auditor
Address:
420 MOUNT RUSHMORE RD, CUSTER SD 57730-1943
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 155 | 2025 |
| Median Household Income | $54,063 | 2020-2024 |
| Median Home Value | $100,000 | 2020-2024 |
| Land Area | 0.31 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).