| Place Name | Union (Waupaca County) |
| Place Type | Town |
| ZIP Code(s) | 54922 54929 54949 54950 54962 |
| County | Waupaca County |
| Area Code(s) | 274,920,535,715 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 636 |
| Majority Ethnicity | White 91.68% |
| US Congressional District(s) | Wisconsin 8th |
| State Assembly Districts | 40 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.68% |
| African American | 1.06% |
| Hispanic | 1.66% |
| Asian | 0% |
| Native American | 1.06% |
| Hawaiin/Pacific Islander | 4.54% |