| Place Name | Union City |
| Place Type | City |
| ZIP Code(s) | 38261 |
| County | Obion County |
| Area Code(s) | 731 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 10,878 |
| Population Growth Rate (2010-19) | 2.52% |
| Majority Ethnicity | White 68.5% |
| Metro/Micro Stats Area | Union City, TN |
| US Congressional District(s) | Tennessee 8th |
| State House Districts | 76,77 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 68.5% |
| African American | 24.53% |
| Hispanic | 0.11% |
| Asian | 0.24% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.62% |