| Index | Oldham | South Dakota | National |
| Median home price | $72,476 | $260,531 | $326,622 |
| Median rent asked | $0 | $1,032 | $1,444 |
| Avg. people per household | 1.5 | 2.4 | 2.6 |
| Owner occupied households | 86.6% | 67.8% | 63.6% |
| Renter occupied households | 13.4% | 32.2% | 36.4% |

| Population | Home Price | National Avg. | |
| Hetland, SD | 10 | $0 | 100% |
| Howard, SD | 775 | $115,977 | 64% |
| Sinai, SD | 172 | $118,780 | 64% |
| Ramona, SD | 426 | $123,785 | 62% |
| Lake Preston, SD | 461 | $137,742 | 58% |
| Oldham, SD | 135 | $72,476 | 78% |
| Population | Home Price | National Avg. | |
| Seven Oaks, TX | 135 | $159,619 | 51% |
| Delaware, NJ | 135 | $387,338 | 19% |
| Wisdom, MT | 135 | $298,458 | 9% |
| Cambridge, KY | 135 | $310,320 | 5% |
| Nemaha, IA | 135 | $79,578 | 76% |
| Oldham, SD | 135 | $72,476 | 78% |