Hermosa town, South Dakota
Official LSAD Designation: Hermosa town • Census GEOID: 4628300
• Custer County / Pennington County
Demographics & Population Profile
Population and demographics for Hermosa town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 370 | — | 2025 | Census |
| Median Age | 40.1 yrs | ±17.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 173 | ±78 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).