Willow Lake city, South Dakota
Official LSAD Designation: Willow Lake city • Census GEOID: 4671940
• Clark County
Demographics & Population Profile
Population and demographics for Willow Lake city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 271 | — | 2025 | Census |
| Median Age | 17.5 yrs | ±6.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 111 | ±37 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).