| Index | El Castillo | Texas | National |
| Median home price | $0 | $256,744 | $326,622 |
| Median rent asked | $0 | $1,363 | $1,444 |
| Avg. people per household | 1.9 | 2.8 | 2.6 |
| Owner occupied households | 31.8% | 61.9% | 63.6% |
| Renter occupied households | 68.2% | 38.1% | 36.4% |

| Population | Home Price | National Avg. | |
| El Quiote, TX | 214 | $0 | 100% |
| Olivia Lopez de Gutierrez, TX | 30 | $0 | 100% |
| Gutierrez, TX | 51 | $0 | 100% |
| Valle Hermoso, TX | 0 | $0 | 100% |
| San Fernando, TX | 0 | $0 | 100% |
| El Castillo, TX | 66 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Bluewater Village, NM | 66 | $0 | 100% |
| Belva, WV | 66 | $0 | 100% |
| Sidney, IN | 66 | $125,746 | 62% |
| Norcross, MN | 66 | $0 | 100% |
| Coy, AR | 66 | $138,858 | 57% |
| El Castillo, TX | 66 | $0 | 100% |