Johnson   County TN United States

County FIPS 47091
Largest City Mountain City
State Tennessee
Latitude 36.4549
Longitude -81.8518
Population 18,196
Density 60.98 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $53,129
Median individual: $29,242

Race

Mode: 87.9% White

Gender

 53.5% male 

Rent

  $674 / month  

Median house value: $178,513.0

Age

Median: 46.7 years old

Education

With at least college degree: 17.6%
With STEM degree: 42.7%

Marital Status

 47.5% married 

Never married: 25.8%

Labor Force Participation

 44.6% working 

Unemployed: 3.2%

Average Family Size

 2.70 people 

Commute Time

 25.6 minutes 

Health Care

 13.4% uninsured 

Poverty

 21.4%

All data comes from the SimpleMaps US Counties Database, 2026.

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