Unicoi County, Tennessee Demographics 2026
Unicoi County, Tennessee has a population of 17,779, the 71st most populous county in Tennessee. The median household income is $50,381 and the median home value is $168,200. The poverty rate is 14.2%.
Unicoi County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Unicoi County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Erwin | 6,001 | $45,422 | 15.9% | $165,100 |
| Unicoi | 3,815 | $41,455 | 14.3% | $196,500 |
| Banner Hill | 1,519 | $66,270 | 21.0% | $120,700 |
Explore Tennessee Rankings
Population Overview
Unicoi County is located in Tennessee with a total population of 17,779. It is the 71st most populous county out of 95 in Tennessee. The county encompasses 3 Census-designated places.
Age Demographics
The median age in Unicoi County is 47.4 years. This is 22% higher than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Unicoi County is $50,381. This is 25% lower than the state median of $67,097. It is also 36% lower than the national median of $78,538. The poverty rate stands at 14.2%. This is 3% higher than the state poverty rate of 13.8%. The unemployment rate is 5.1%. This is 9% higher than the state rate of 4.7%. The median home value is $168,200. Housing costs are 35% lower than the state median of $256,800. The home-value-to-income ratio is 3.3x. 72.8% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 67.0%.
Race & Ethnicity
Unicoi County has a predominantly White (non-Hispanic) population, comprising 90.6% of all residents. Hispanic or Latino residents account for 6.4%. The Black or African American population (0.5%) is well below the state average of 15.7%. The Asian population (0.2%) is well below the state average of 1.8%.
Education
20.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% lower than the state rate of 30.4%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.0%.
Data Sources & Methodology
All figures for Unicoi County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Tennessee and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Unicoi County, Tennessee?
Unicoi County has a population of 17,779, making it the 71st most populous county in Tennessee.
What is the median income in Unicoi County?
The median household income in Unicoi County is $50,381 with a poverty rate of 14.2%.
How many cities are in Unicoi County, Tennessee?
Unicoi County contains 3 Census-designated places.