| Official Zip Code Name | Mercer |
| Zip Code State | Wisconsin |
| Primary County: | Iron |
| Area Code | 715 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 1640 ft. |
| Area | 215.711 Sqm. |
| Coordinates(Y,X) | 46.204974, -90.116652 |