Lemmon city, South Dakota
Official LSAD Designation: Lemmon city • Census GEOID: 4636340
• Perkins County
Demographics & Population Profile
Population and demographics for Lemmon city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,158 | — | 2025 | Census |
| Median Age | 45.9 yrs | ±8.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 544 | ±69 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).