Brant Lake city, South Dakota
Official LSAD Designation: Brant Lake city • Census GEOID: 4607040
• Lake County
Demographics & Population Profile
Population and demographics for Brant Lake city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 56 | — | 2025 | Census |
| Median Age | 66.2 yrs | ±1.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 24 | ±17 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).