| City : | Monte Alto |
| County : | Hidalgo County, Scott County |
| State : | Texas (TX) |
| Land Area : | 2.25 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 26.3743730 |
| Longitude : | -97.9727241 |
| Population (2010): | 1,924 |
| Population Estimate (2012) : | 2,357 |
| Population Density : | 855.43/sq mi |
| Housing Units (2012) : | 557 |
| Median Household Income (2012) : | $28,242 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $27,917 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $47,800 (Texas : $128,000, USA : $181,400) |
Monte Alto Zip Codes
| 78538 (10,657) |