Marshall   County KY United States

County FIPS 21157
Largest City Benton
State Kentucky
Latitude 36.8835
Longitude -88.3294
Population 31,743
Density 105.1 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: $65,831
Median individual: $34,420

Race

Mode: 96.0% White

Gender

 50.3% female 

Rent

  $798 / month  

Median house value: $175,126.0

Age

Median: 45.1 years old

Education

With at least college degree: 21.2%
With STEM degree: 36.1%

Marital Status

 54.2% married 

Never married: 20.6%

Labor Force Participation

 55.9% working 

Unemployed: 4.5%

Average Family Size

 2.80 people 

Commute Time

 23.7 minutes 

Health Care

 8.1% uninsured 

Poverty

 12.3%

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

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