| Index | Mertens | Texas | National |
| Median home price | $54,400 | $142,700 | $184,700 |
| Median rent asked | $759 | $911 | $949 |
| Avg. people per household | 2.6 | 2.8 | 2.6 |
| Owner occupied households | 75.0% | 61.9% | 63.6% |
| Renter occupied households | 25.0% | 38.1% | 36.4% |
| City, State | Population | Home Price | National Avg. |
| Malone, TX | 340 | $48,800 | 74% |
| Penelope, TX | 156 | $50,000 | 73% |
| Bynum, TX | 225 | $51,800 | 72% |
| Barry, TX | 300 | $55,600 | 70% |
| Dawson, TX | 832 | $59,800 | 68% |
| Mertens, TX | 141 | $54,400 | 71% |
| City, State | Population | Home Price | National Avg. |
| Longtown, MO | 141 | $91,400 | 51% |
| San Simon, AZ | 141 | $0 | 100% |
| Corinne, WV | 141 | $81,700 | 56% |
| Carrizo, AZ | 141 | $0 | 100% |
| Amoret, MO | 141 | $28,600 | 85% |
| Mertens, TX | 141 | $54,400 | 71% |