| Official Zip Code Name | Holstein |
| Zip Code State | Iowa |
| Primary County: | Ida |
| Area Code | 712 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 1399 ft. |
| Area | 106.385 Sqm. |
| Coordinates(Y,X) | 42.487760, -95.591125 |