| Index | Three Rocks | California | National |
| Median home price | $0 | $731,680 | $326,622 |
| Median rent asked | $0 | $1,951 | $1,444 |
| Avg. people per household | 1.1 | 3.0 | 2.6 |
| Owner occupied households | 100.0% | 54.1% | 63.6% |
| Renter occupied households | 0.0% | 45.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Cantua Creek, CA | 388 | $0 | 100% |
| San Joaquin, CA | 4,144 | $310,729 | 5% |
| Tranquillity, CA | 834 | $457,700 | 40% |
| Three Rocks, CA | 101 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Chillicothe, IA | 101 | $126,541 | 61% |
| Tylersburg, PA | 101 | $0 | 100% |
| Northway Village, AK | 101 | $189,181 | 42% |
| Alleghany, CA | 101 | $0 | 100% |
| Ralston, IA | 101 | $106,580 | 67% |
| Three Rocks, CA | 101 | $0 | 100% |