| Name | Washington County |
| State | Tennessee |
| FIPS Code | 47179 |
| County Seat | Jonesborough |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 138,628 |
| Population Growth Rate(2020-2024) | 4.06% |
| Majority Ethnicity | White 89.49% |
| Public School Majority Ethnicity | White 79% |
| Partisan Voting Index | Republican:+20 |
| Unemployment Rate (May 2026) | 3.4% |
| Sales Tax Rate (2025) | 9.5% |
| Area Code(s) | 423 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 89.49% |
| African American | 3.83% |
| Hispanic | 4.82% |
| Asian | 1.63% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 78.97% |
| African American | 4.92% |
| Hispanic | 8.85% |
| Asian | 1.83% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0.05% |