| Zip Code : | 78598 |
| City : | Port Mansfield |
| County : | Willacy County |
| State : | Texas (TX) |
| Land Area : | 5.65 sq mi |
| Water Area : | 1.47 sq mi |
| Latitude : | 26.5693082 |
| Longitude : | -97.4423313 |
| Population (2010): | 226 |
| Population Estimate (2012) : | 297 |
| Population Density : | 40.02/sq mi |
| Housing Units (2012) : | 437 |
| Median Household Income (2012) : | $11,750 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $12,500 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $52,000 (Texas : $128,000, USA : $181,400) |