| Place Name | Union Township (Branch County) |
| Place Type | Township |
| ZIP Code(s) | 49036 49089 49094 |
| County | Branch County |
| Area Code(s) | 517 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 2,923 |
| Majority Ethnicity | White 94.66% |
| Metro/Micro Stats Area | Coldwater, MI |
| US Congressional District(s) | Michigan 7th |
| State House Districts | 58 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.66% |
| African American | 0% |
| Hispanic | 0.18% |
| Asian | 0.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.84% |