| Index | Erwin | South Dakota | National |
| Median home price | $39,200 | $146,700 | $184,700 |
| Median rent asked | $0 | $676 | $949 |
| Avg. people per household | 2.3 | 2.4 | 2.6 |
| Owner occupied households | 88.5% | 67.8% | 63.6% |
| Renter occupied households | 11.5% | 32.2% | 36.4% |
| Population | Home Price | National Avg. | |
| Hetland, SD | 10 | $0 | 100% |
| Badger, SD | 94 | $54,100 | 71% |
| Lake Preston, SD | 448 | $75,900 | 59% |
| Willow Lake, SD | 445 | $76,100 | 59% |
| Hayti, SD | 391 | $90,900 | 51% |
| Erwin, SD | 54 | $39,200 | 79% |
| Population | Home Price | National Avg. | |
| Roy Lake, MN | 54 | $281,300 | 52% |
| Dripping Springs, OK | 54 | $187,500 | 2% |
| Ritchey, MO | 54 | $46,300 | 75% |
| Bayou Corne, LA | 54 | $0 | 100% |
| Gandy, NE | 54 | $125,000 | 32% |
| Erwin, SD | 54 | $39,200 | 79% |
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