| Population | 379 |
| Square Miles | 72.06 |
| Population Density | 5.26 |
| Median Age | 46 |
| Median Household Income | $33,750 |
| Per Capita Income | $16,558 |
| Median Rent | $1,125 |
| Percent Renters | 5% |
| Median Lake City, SD 57247 For Sale Price: | $229,000 |
| Studio For Sale Median Price: | $100,000 |
| 2 Bedroom For Sale Median Price: | $229,000 |
| 3 Bedroom For Sale Median Price: | $190,000 |