| Place Name | Union City |
| Place Type | Village |
| ZIP Code(s) | 49094 |
| County | Branch County |
| Area Code(s) | 517 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,611 |
| Population Growth Rate (2010-19) | 7.19% |
| Majority Ethnicity | White 97.7% |
| Metro/Micro Stats Area | Battle Creek, MIColdwater, MI |
| US Congressional District(s) | Michigan 7th |
| State House Districts | 58 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.7% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.21% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.09% |