| Population | 3 (2010), see rank |
| House Units | 2, see rank |
| Race | Whites:66.7%, Hispanics:100%, Blacks:0%, Asians:0%, Others:33.3% |
| Total Area: | 0.02 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Texas |
| Area: | Rio Grande City-Roma, TX |
| County: | Starr County |
| City: | Roma |
| Census Tract: | 950202 |
| Census Block Group: | 950202-1 |