| Place Name | New Union |
| Place Type | Census Designated Place |
| ZIP Code(s) | 37355 |
| County | Coffee County |
| Area Code(s) | 931 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 1,111 |
| Population Growth Rate (2010-19) | 15.02% |
| Majority Ethnicity | White 95.2% |
| Metro/Micro Stats Area | Tullahoma-Manchester, TN |
| US Congressional District(s) | Tennessee 6th |
| State House Districts | 47 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.2% |
| African American | 1.23% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.57% |