| Zip Code : | 78588 |
| City : | San Isidro |
| County : | Starr County |
| State : | Texas (TX) |
| Land Area : | 38.93 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 26.7378631 |
| Longitude : | -98.3972072 |
| Population (2010): | 238 |
| Population Estimate (2012) : | 219 |
| Population Density : | 6.11/sq mi |
| Housing Units (2012) : | 127 |
| Median Household Income (2012) : | $41,667 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $51,250 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $65,000 (Texas : $128,000, USA : $181,400) |