| Place Name | Mercer (town) |
| Place Type | Town |
| ZIP Code(s) | 54514 54534 54536 54547 54552 |
| County | Iron County |
| Area Code(s) | 535,715 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,385 |
| Majority Ethnicity | White 95.85% |
| US Congressional District(s) | Wisconsin 7th |
| State Assembly Districts | 74 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.85% |
| African American | 0% |
| Hispanic | 0.49% |
| Asian | 0.28% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.38% |