| City : | San Diego City |
| County : | Duval County, Jim Wells County |
| State : | Texas (TX) |
| | |
| Land Area : | 1.90 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 27.7608905 |
| Longitude : | -98.2389061 |
| | |
| Population (2010): | 4,488 |
| Population Estimate (2012) : | 4,694 |
| Population Density : | 2,360.89/sq mi |
| Housing Units (2012) : | 1,818 |
| Median Household Income (2012) : | $35,247 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $35,920 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $34,500 (Texas : $128,000, USA : $181,400) |