| Official Zip Code Name | Smithfield |
| Zip Code State | Utah |
| Primary County: | Cache |
| Area Code | 435 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 7 |
| Elevation Range | 4413 ft. |
| Area | 65.496 Sqm. |
| Coordinates(Y,X) | 41.831864, -111.902597 |