| Index | Erwin | South Dakota | National |
| Median home price | $71,541 | $260,531 | $326,622 |
| Median rent asked | $0 | $1,032 | $1,444 |
| 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 | 98 | $98,265 | 70% |
| Lake Preston, SD | 461 | $137,742 | 58% |
| Willow Lake, SD | 454 | $140,780 | 57% |
| Hayti, SD | 407 | $160,916 | 51% |
| Erwin, SD | 56 | $71,541 | 78% |
| Population | Home Price | National Avg. | |
| Prairie City, SD | 56 | $0 | 100% |
| Bayou Corne, LA | 56 | $0 | 100% |
| Beards Fork, WV | 56 | $0 | 100% |
| Liberty, NE | 56 | $79,550 | 76% |
| Peak, SC | 56 | $0 | 100% |
| Erwin, SD | 56 | $71,541 | 78% |