| Place Name | Union Township |
| Place Type | Township |
| ZIP Code(s) | 55921 55941 55943 |
| County | Houston County |
| Area Code(s) | 507 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 283 |
| Majority Ethnicity | White 98.23% |
| Metro/Micro Stats Area | La Crosse-Onalaska, WI-MN |
| US Congressional District(s) | Minnesota 1st |
| State House Districts | 28B |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.23% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.77% |