| Index | Green Grass | South Dakota | National |
| Median home price | $0 | $260,531 | $326,622 |
| Median rent asked | $0 | $1,032 | $1,444 |
| Avg. people per household | 1.6 | 2.4 | 2.6 |
| Owner occupied households | 100.0% | 67.8% | 63.6% |
| Renter occupied households | 0.0% | 32.2% | 36.4% |
| Population | Home Price | National Avg. | |
| Eagle Butte, SD | 1,499 | $91,374 | 72% |
| North Eagle Butte, SD | 1,889 | $93,364 | 71% |
| Green Grass, SD | 22 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Aspinwall, IA | 22 | $0 | 100% |
| Arbela, MO | 22 | $0 | 100% |
| Heimdal, ND | 22 | $0 | 100% |
| Byers, KS | 22 | $97,554 | 70% |
| Flowella, TX | 22 | $0 | 100% |
| Green Grass, SD | 22 | $0 | 100% |