Polk   County TN United States

County FIPS 47139
Largest City Benton
State Tennessee
Latitude 35.1199
Longitude -84.5233
Population 17,898
Density 41.19 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: $62,522
Median individual: $32,006

Race

Mode: 89.6% White

Gender

 50.5% male 

Rent

  $676 / month  

Median house value: $164,519.0

Age

Median: 46.9 years old

Education

With at least college degree: 16.6%
With STEM degree: 34.8%

Marital Status

 53.4% married 

Never married: 23.9%

Labor Force Participation

 53.5% working 

Unemployed: 5.3%

Average Family Size

 2.94 people 

Commute Time

 31.4 minutes 

Health Care

 14.9% uninsured 

Poverty

 13.9%

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

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