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Unicoi County, Tennessee Demographics 2026

Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology

Unicoi County, Tennessee has a population of 17,756, the 72nd most populous county in Tennessee. The median household income is $52,218 and the median home value is $189,600. The poverty rate is 14.3%.

Unicoi County Quick Facts

Population 17,756
Median Household Income $52,21890% MOE ±$6,675
Median Home Value $189,60090% MOE ±$16,867
Poverty Rate 14.3%90% MOE ±3.4 pts
Unemployment Rate 4.3%90% MOE ±1.9 pts
Median Age 46.9 years90% MOE ±1.0 years
Homeownership Rate 72.9%90% MOE ±4.2 pts
Affordability Ratio 3.6x
Bachelor's Degree+ 21.3%90% MOE ±3.2 pts
Adults 25+ with high school education or higher 86.8%
Cities/Places 3
Population 17,756 72nd of 95
Median Income $52,218 25% lower than state
Poverty Rate 14.3%
Unemployment 4.3%

How Unicoi County Changed

Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.

Metric2015–20192020–2024Change
Population17,81117,756-0.3%
Median household income$51,554$52,218No clear change (+1.3%)
Median home value¹$159,377$189,600+19.0%
Median gross rent$775$750No clear change (-3.3%)
¹ The Census Bureau changed its home-value inflation adjustment beginning with the 2022 ACS; interpret that comparison with additional caution.

Median Household Income

Unicoi
$52,218
TN
$69,595
National
$80,734

Median Home Value

Unicoi
$189,600
TN
$286,700
National
$332,700

Economy & Housing

Household Income Distribution

Under $25K 24.1%
$25K-$50K 23.6%
$50K-$100K 28.8%
$100K+ 23.5%
Detailed income brackets
Under $10K
7.7%
$10K-$15K
3.3%
$15K-$20K
6.1%
$20K-$25K
6.9%
$25K-$30K
3.3%
$30K-$35K
4.7%
$35K-$40K
2.9%
$40K-$45K
8.0%
$45K-$50K
4.6%
$50K-$60K
8.7%
$60K-$75K
8.7%
$75K-$100K
11.5%
$100K-$125K
7.3%
$125K-$150K
6.1%
$150K-$200K
5.9%
$200K+
4.3%

Employment

4.3% Unemployment Rate State: 4.7%|National: 5.2%
54.0% Labor Force Participation

Housing Overview

Owner 72.9%
Renter 27.1%
Affordability Index Affordable
3.6x home value to income ratio
Median gross rent $750/mo 17.2% of median household income annually

People & Demographics

Age Distribution

Under 18
17.8%
18-34
18.7%
35-54
24.3%
55-74
29.3%
75+
9.8%

Race & Ethnicity

  • White: 90.1%
  • Black: 0.7%
  • Hispanic: 6.7%
  • Asian: 0.1%
  • Other: 0.0%

Diversity Index

18out of 100
Very Low Diversity

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+)

  • < HS: 13.2%
  • HS Diploma: 36.5%
  • Some College: 21.5%
  • Associate's: 7.5%
  • Bachelor's: 13.4%
  • Graduate+: 7.9%

Cities & Places in Unicoi County

CityPopulationMedian IncomePovertyHome Value
Erwin5,988$47,48712.6%$180,900
Unicoi3,806$42,42421.3%$244,300
Banner Hill1,211$59,78428.4%$116,300

Population Overview

Unicoi County is located in Tennessee with a total population of 17,756. It is the 72nd most populous county out of 95 in Tennessee. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Unicoi County is 46.9 years. This is 21% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Unicoi County is $52,218. This is 25% lower than the state median of $69,595. It is also 35% lower than the national median of $80,734. The poverty rate stands at 14.3%. This is 4% higher than the state poverty rate of 13.8%. The unemployment rate is 4.3%. This is 7% lower than the state rate of 4.7%. The median home value is $189,600. Housing costs are 34% lower than the state median of $286,700. The home-value-to-income ratio is 3.6x. 72.9% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 66.9%.

Race & Ethnicity

Unicoi County has a predominantly White (non-Hispanic) population, comprising 90.1% of all residents. Hispanic or Latino residents account for 6.7%. The Black or African American population (0.7%) is well below the state average of 15.4%. The Asian population (0.1%) is well below the state average of 1.9%.

Education

21.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 32% lower than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.8%.

Data Sources & Methodology

All figures for Unicoi County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, 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 17,756, making it the 72nd most populous county in Tennessee.

What is the median income in Unicoi County?

The median household income in Unicoi County is $52,218 with a poverty rate of 14.3%.

How many cities are in Unicoi County, Tennessee?

Unicoi County contains 3 Census-designated places.