Fentress County's 2026 population is estimated at 20,971, reflecting a 2.05% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Fentress County is the 68th largest county in Tennessee. The 2010 population was 17,922 and has grown 17.01% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.9 years
Female: 48.2 years
Male: 43.2 years
There are 15,374 adults, (4,498 of whom are seniors) in Fentress County.
Female: 9,776 (50.6%)
Male: 9,533 (49.4%)
The racial composition of Fentress County includes 94.88% White, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 18,321 | 94.88% |
| Two or more races | 853 | 4.42% |
| Black or African American | 45 | 0.23% |
| Asian | 42 | 0.22% |
| Other race | 38 | 0.2% |
| Native Hawaiian or Pacific Islander | 10 | 0.05% |
Fentress County 's average per capita income is $35,329. Household income levels show a median of $51,149. The poverty rate stands at 20.98%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $67,443 | - |
| Families | $64,813 | $72,041 |
| Households | $51,149 | $57,981 |
| Non Families | $21,901 | $30,155 |
Average Income
Median Household Income
Poverty Rate
