San Ildefonso, El Salvador
| San Ildefonso | |
|---|---|
| Municipality | |
|   San Ildefonso Location in El Salvador | |
| Coordinates: 13°42′N 88°34′W / 13.700°N 88.567°W | |
| Country |  El Salvador | 
| Department | San Vicente Department | 
| Area | |
|  • Total | 52.65 sq mi (136.37 km2) | 
| Elevation | 673 ft (205 m) | 
| Population  (2001) | |
|  • Total | 10,015 | 
San Ildefonso is a municipality in the San Vicente department of El Salvador.

