Unicoi County's estimated 2026 population is 17,992 with a growth rate of 0.33% 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 -1.59% since that time.
Data after 2023 is projected based on recent change
The racial composition of Unicoi County includes 92.51% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
White (92.51%)
Two or more races (5.88%)
Other race (0.66%)
Black or African American (0.46%)
Native American (0.33%)
Asian (0.16%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,447 | 92.51% |
| Two or more races | 1,046 | 5.88% |
| Other race | 117 | 0.66% |
| Black or African American | 82 | 0.46% |
| Native American | 58 | 0.33% |
| Asian | 29 | 0.16% |
Married
Widowed
Divorced
Separated
Never Married
Unicoi County's average per capita income is $41,172. Household income levels show a median of $50,381. The poverty rate stands at 14.22%.
Name | Median | Mean |
|---|---|---|
| Married Families | $76,413 | - |
| Families | $63,258 | $81,769 |
| Households | $50,381 | $65,839 |
| Non Families | $32,070 | $39,091 |
Average Income
Median Household Income
Poverty Rate
