| Official Zip Code Name | Matlock |
| Zip Code State | Iowa |
| Primary County: | Sioux |
| 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 | 1392 ft. |
| Area | 0.378 Sqm. |
| Coordinates(Y,X) | 43.242652, -95.934040 |