| Official Zip Code Name | Castaic |
| Zip Code State | California |
| Primary County: | Los Angeles |
| Area Code | 661/805/820 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 8 |
| Elevation Range | 1632 ft. |
| Area | 103.601 Sqm. |
| Coordinates(Y,X) | 34.530652, -118.633990 |