| Official Zip Code Name | Newcastle |
| Zip Code State | Texas |
| Primary County: | Young |
| Area Code | 940 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 1133 ft. |
| Area | 259.721 Sqm. |
| Coordinates(Y,X) | 33.179020, -98.799506 |