Hermosa town, South Dakota
Official LSAD Designation: Hermosa town • Census GEOID: 4628300
• Custer County / Pennington County
Hermosa town is an incorporated town in Custer County, Pennington County, South Dakota. According to official records from the Census (2025), Hermosa town had an estimated population of 370 residents. Official Census Bureau geographic records classify this community under LSAD designation Hermosa town (GEOID 4628300).
Local Government Administration U.S. Census Bureau GMAF
Town Of Hermosa
Municipal
Official Title:
Finance Officer
Address:
PO BOX 298, HERMOSA SD 57744-0298
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 | 370 | 2025 |
| Median Household Income | $53,203 | 2020-2024 |
| Median Home Value | $148,800 | 2020-2024 |
| Land Area | 0.86 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).