| Index | Castroville | Texas | National |
| Median home price | $162,700 | $142,700 | $184,700 |
| Median rent asked | $838 | $911 | $949 |
| Avg. people per household | 2.5 | 2.8 | 2.6 |
| Owner occupied households | 81.7% | 61.9% | 63.6% |
| Renter occupied households | 18.3% | 38.1% | 36.4% |
| Index | Castroville | Texas | National |
| Zillow home value index | n/a | $163,500 | $196,500 |
| Year over year appreciation rate | n/a | 5.89% | 6.79% |
| 5 year average appreciation rate | n/a | 5.98% | 5.28% |
| 10 year average appreciation rate | n/a | 2.21% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Natalia, TX | 1,364 | $57,500 | 69% |
| Macdona, TX | 284 | $59,500 | 68% |
| Von Ormy, TX | 1,055 | $70,700 | 62% |
| LaCoste, TX | 1,188 | $79,100 | 57% |
| Somerset, TX | 1,562 | $89,800 | 51% |
| Castroville, TX | 2,910 | $162,700 | 12% |
| City, State | Population | Home Price | National Avg. |
| Frisco, CO | 2,909 | $500,700 | 171% |
| Madison, FL | 2,909 | $89,700 | 51% |
| Iron River, MI | 2,911 | $48,200 | 74% |
| Minden, NE | 2,911 | $117,100 | 37% |
| Rochester, WA | 2,912 | $221,100 | 20% |
| Castroville, TX | 2,910 | $162,700 | 12% |