Timber Lake city, South Dakota
Official LSAD Designation: Timber Lake city • Census GEOID: 4663620
• Dewey County
Demographics & Population Profile
Population and demographics for Timber Lake city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 548 | — | 2025 | Census |
| Median Age | 23.8 yrs | ±3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 266 | ±49 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).