| Index | Twain | California | National |
| Median home price | $0 | $731,680 | $326,622 |
| Median rent asked | $0 | $1,951 | $1,444 |
| Avg. people per household | 2.5 | 3.0 | 2.6 |
| Owner occupied households | 51.2% | 54.1% | 63.6% |
| Renter occupied households | 48.8% | 45.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Canyondam, CA | 0 | $0 | 100% |
| Keddie, CA | 69 | $0 | 100% |
| Storrie, CA | 0 | $0 | 100% |
| Caribou, CA | 0 | $0 | 100% |
| Tobin, CA | 0 | $0 | 100% |
| Twain, CA | 314 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Newtown, IN | 314 | $132,601 | 59% |
| Bush, IL | 314 | $101,666 | 69% |
| Saddlebrooke, MO | 314 | $861,473 | 164% |
| La Plant, SD | 314 | $148,967 | 54% |
| Fairview, KS | 314 | $165,293 | 49% |
| Twain, CA | 314 | $0 | 100% |