| Name | Buchanan County |
| State | Virginia |
| FIPS Code | 51027 |
| County Seat | Grundy |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 18,978 |
| Population Growth Rate(2020-2024) | -7.21% |
| Majority Ethnicity | White 96.34% |
| Public School Majority Ethnicity | White 97% |
| Partisan Voting Index | Strongly Republican:+36 |
| Unemployment Rate (May 2026) | 6.7% |
| Sales Tax Rate (2025) | 5.3% |
| Area Code(s) | 276 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96.34% |
| African American | 2.39% |
| Hispanic | 1.02% |
| Asian | 0.25% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 97.15% |
| African American | 0.36% |
| Hispanic | 1.37% |
| Asian | 0.25% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.04% |