| Place Name | Eureka (town) |
| Place Type | Town |
| ZIP Code(s) | 54006 54024 54824 54853 54858 |
| County | Polk County |
| Area Code(s) | 535,715 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,789 |
| Majority Ethnicity | White 99.83% |
| US Congressional District(s) | Wisconsin 7th |
| State Assembly Districts | 28 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.83% |
| African American | 0.17% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |