| City : | South Alamo |
| County : | Hidalgo County |
| State : | Texas (TX) |
| Land Area : | 2.04 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 26.1517664 |
| Longitude : | -98.1078496 |
| Population (2010): | 3,361 |
| Population Estimate (2012) : | 4,813 |
| Population Density : | 1,648.69/sq mi |
| Housing Units (2012) : | 785 |
| Median Household Income (2012) : | $30,289 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $30,546 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $39,300 (Texas : $128,000, USA : $181,400) |
South Alamo Zip Codes
| 78516 (33,722) |