Union   County TN United States

County FIPS 47173
Largest City Maynardville
State Tennessee
Latitude 36.2879
Longitude -83.8375
Population 20,431
Density 91.4 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: $62,727
Median individual: $31,853

Race

Mode: 94.6% White

Gender

 50.2% male 

Rent

  $847 / month  

Median house value: $204,583.0

Age

Median: 42.7 years old

Education

With at least college degree: 14.2%
With STEM degree: 34.9%

Marital Status

 60.3% married 

Never married: 20.6%

Labor Force Participation

 55.3% working 

Unemployed: 2.6%

Average Family Size

 2.92 people 

Commute Time

 34.6 minutes 

Health Care

 8.1% uninsured 

Poverty

 13.8%

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

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