| Index | Three Rocks | California | National |
| Median home price | $0 | $409,300 | $184,700 |
| Median rent asked | $0 | $1,297 | $949 |
| 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 | 376 | $0 | 100% |
| San Joaquin, CA | 4,025 | $169,000 | 9% |
| Tranquillity, CA | 807 | $248,500 | 35% |
| Three Rocks, CA | 97 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Jacksonville, GA | 97 | $38,400 | 79% |
| Anegam, AZ | 97 | $152,900 | 17% |
| Macksburg, IA | 97 | $81,700 | 56% |
| Rochester, IA | 97 | $110,000 | 40% |
| Fruitdale, SD | 97 | $130,100 | 30% |
| Three Rocks, CA | 97 | $0 | 100% |
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