| Index | Grenville | South Dakota | National |
| Median home price | $0 | $146,700 | $184,700 |
| Median rent asked | $0 | $676 | $949 |
| Avg. people per household | 1.8 | 2.4 | 2.6 |
| Owner occupied households | 97.7% | 67.8% | 63.6% |
| Renter occupied households | 2.3% | 32.2% | 36.4% |
| Population | Home Price | National Avg. | |
| Eden, SD | 141 | $0 | 100% |
| Agency Village, SD | 970 | $0 | 100% |
| Long Hollow, SD | 395 | $0 | 100% |
| Ortley, SD | 58 | $37,000 | 80% |
| Roslyn, SD | 221 | $66,300 | 64% |
| Grenville, SD | 71 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Lago Vista CDP, TX | 71 | $0 | 100% |
| Hillsdale, OK | 71 | $72,500 | 61% |
| Westwood, IA | 71 | $218,300 | 18% |
| Arco, MN | 71 | $0 | 100% |
| Santiago, WA | 71 | $158,900 | 14% |
| Grenville, SD | 71 | $0 | 100% |
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