| Population | 278 |
| Square Miles | 0.53 |
| Population Density | 520.60 |
| Median Age | 37 |
| Median Household Income | $25,625 |
| Per Capita Income | $13,277 |
| Median Rent | $264 |
| Percent Renters | 16% |
| Median Iroquois, SD For Sale Price: | $74,900 |
| 3 Bedroom For Sale Median Price: | $114,900 |
| 4 Bedroom For Sale Median Price: | $74,900 |