| Name | Sumner County |
| State | Tennessee |
| FIPS Code | 47165 |
| County Seat | Gallatin |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 161,206 |
| Population Growth Rate(2000-2022) | 22.18% |
| Majority Ethnicity | White 88.92% |
| Public School Majority Ethnicity | White 71% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate (January 2025) | 2.9% |
| Area Code(s) | 615 / 629 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 88.92% |
| African American | 9.07% |
| Hispanic | 0.16% |
| Asian | 1.68% |
| Native American | 0.09% |
| Hawaiin/Pacific Islander | 0.09% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 71.12% |
| African American | 10.54% |
| Hispanic | 11.84% |
| Asian | 1.97% |
| Native American | 0.3% |
| Hawaiin/Pacific Islander | 0.14% |