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County ProfileTN

Unicoi County

Population: 17,928 · 3 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
17,928
People
Median age
46.9
Housing
Total households
7,795
Income
Median household income
$52,218
Housing
Total housing units
8,749
Employment
Employment rate
51.6%
Education
Bachelor’s degree or higher
21.3%
Healthcare
Insured population
91.8%
County details
Local time 01:16:13(CT)
NameUnicoi
Total ZIP codes3total
ZIP codes (by type)
3 Standard
Area code423
TimezoneCentral Time (CT)
Coordinates36.1001287, -82.4182183
Land area186.1 sq miles(481.9 km²)

Map of Unicoi county, Tennessee with ZIP codes

Map of Unicoi County, Tennessee and ZIP codes

Cities and Communities in Unicoi County

Compare the largest cities in Unicoi County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Erwin6,083$47,4871ZIPs
Unicoi3,833$42,4241ZIPs
Flag Pond8791ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Unicoi County

Review the most populated postal areas across Unicoi County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
37650Erwin$50,65412,329
37692Unicoi$53,5314,808
37657Flag Pond$73,108879

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS