| Place Name | Greenbrier |
| Place Type | Town |
| ZIP Code(s) | 37073 |
| County | Robertson County |
| Area Code(s) | 615,629 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 6,420 |
| Population Growth Rate (2010-19) | 7.23% |
| Majority Ethnicity | White 91.8% |
| Metro/Micro Stats Area | Nashville-Davidson--Murfreesboro--Franklin, TN |
| US Congressional District(s) | Tennessee 6th |
| State House Districts | 66 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.8% |
| African American | 1.3% |
| Hispanic | 0.15% |
| Asian | 2.12% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.63% |