| Index | Mercedes | Texas | National |
| Median home price | $130,358 | $256,744 | $326,622 |
| Median rent asked | $843 | $1,363 | $1,444 |
| Avg. people per household | 3.3 | 2.8 | 2.6 |
| Owner occupied households | 64.6% | 61.9% | 63.6% |
| Renter occupied households | 35.4% | 38.1% | 36.4% |

| Population | Home Price | National Avg. | |
| Relampago, TX | 395 | $0 | 100% |
| Villa Verde, TX | 211 | $0 | 100% |
| Ratamosa, TX | 102 | $0 | 100% |
| Barrera, TX | 237 | $0 | 100% |
| La Feria North, TX | 241 | $0 | 100% |
| Mercedes, TX | 16,898 | $130,358 | 60% |
| Population | Home Price | National Avg. | |
| Storrs, CT | 16,897 | $417,476 | 28% |
| Heber, UT | 16,894 | $642,639 | 97% |
| Washington, IL | 16,894 | $331,231 | 1% |
| Hillcrest Heights, MD | 16,890 | $441,866 | 35% |
| Menomonie, WI | 16,888 | $279,165 | 15% |
| Mercedes, TX | 16,898 | $130,358 | 60% |