| Population | 880 |
| Square Miles | 0.34 |
| Population Density | 2,588.24 |
| Median Age | 47 |
| Median Household Income | $29,432 |
| Per Capita Income | $16,593 |
| Median Rent | $304 |
| Percent Renters | 23% |
| Median Alcester, SD For Sale Price: | $84,900 |
| 2 Bedroom For Sale Median Price: | $67,500 |
| 3 Bedroom For Sale Median Price: | $200,000 |
| 4 Bedroom For Sale Median Price: | $84,900 |