DeKalb   County TN United States

County FIPS 47041
Largest City Smithville
State Tennessee
Latitude 35.9799
Longitude -85.8328
Population 20,959
Density 68.86 people per square mile
Time Zone America/Chicago
  • 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: $53,153
Median individual: $31,337

Race

Mode: 88.0% White

Gender

 50.1% female 

Rent

  $839 / month  

Median house value: $233,044.0

Age

Median: 41.9 years old

Education

With at least college degree: 20.9%
With STEM degree: 35.0%

Marital Status

 55.6% married 

Never married: 23.4%

Labor Force Participation

 55.6% working 

Unemployed: 5.6%

Average Family Size

 2.86 people 

Commute Time

 29.3 minutes 

Health Care

 8.7% uninsured 

Poverty

 18.6%

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

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