Unicoi County's estimated 2026 population is 17,787 with a growth rate of -0.39% in the past year according to the most recent United States census data. Unicoi County is the 74th largest county in Tennessee. The 2010 population was 18,283 and has seen a growth of -2.71% since that time.
Data after 2023 is projected based on recent change
Overall: 46.9 years
Female: 47 years
Male: 46.3 years
There are 14,587 adults, (4,216 of whom are seniors) in Unicoi County.
Female: 9,102 (51.3%)
Male: 8,654 (48.7%)
The racial composition of Unicoi County includes 90.89% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,139 | 90.89% |
| Two or more races | 1,329 | 7.48% |
| Black or African American | 120 | 0.68% |
| Other race | 100 | 0.56% |
| Native American | 43 | 0.24% |
| Asian | 25 | 0.14% |
Unicoi County's average per capita income is $42,497. Household income levels show a median of $52,218. The poverty rate stands at 14.32%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,597 | - |
| Families | $69,077 | $86,733 |
| Households | $52,218 | $70,417 |
| Non Families | $32,341 | $37,439 |
Average Income
Median Household Income
Poverty Rate