Buchanan is a CDP located in Henry County, Tennessee. Buchanan has a 2026 population of 145. Buchanan is currently growing at a rate of 6.62% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Buchanan is 25.2 years: 20.9 years for males, and 0 years for females. For every 100 females there are 356.5 males.
Data after 2023 is projected based on recent change
Overall: 25.2 years
Female: 0 years
Male: 20.9 years
There are 72 adults, (43 of whom are seniors) in Buchanan.
Female: 23 (21.9%)
Male: 82 (78.1%)
The racial composition of Buchanan includes 92.38% White, 7.62% Black or African American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 97 | 92.38% |
| Black or African American | 8 | 7.62% |