| Index | San Carlos | Texas | National |
| Median home price | $114,545 | $256,744 | $326,622 |
| Median rent asked | $640 | $1,363 | $1,444 |
| Avg. people per household | 3.9 | 2.8 | 2.6 |
| Owner occupied households | 80.8% | 61.9% | 63.6% |
| Renter occupied households | 19.2% | 38.1% | 36.4% |

| Population | Home Price | National Avg. | |
| Campo Verde, TX | 173 | $0 | 100% |
| La Feria North, TX | 241 | $0 | 100% |
| La Chuparosa, TX | 45 | $0 | 100% |
| Ranchette Estates, TX | 245 | $0 | 100% |
| Tierra Bonita, TX | 67 | $0 | 100% |
| San Carlos, TX | 4,024 | $114,545 | 65% |
| Population | Home Price | National Avg. | |
| North River Shores, FL | 4,024 | $429,468 | 31% |
| Charleroi, PA | 4,025 | $85,738 | 74% |
| Malmstrom AFB, MT | 4,025 | $0 | 100% |
| Jasper, GA | 4,023 | $295,139 | 10% |
| Sparks, TX | 4,023 | $122,899 | 62% |
| San Carlos, TX | 4,024 | $114,545 | 65% |