Barnwell   County SC United States

County FIPS 45011
Largest City Barnwell
State South Carolina
Latitude 33.2661
Longitude -81.4349
Population 20,521
Density 37.44 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: $46,626
Median individual: $28,306

Race

Mode: 52.2% White

Gender

 51.7% female 

Rent

  $740 / month  

Median house value: $110,725.0

Age

Median: 40.4 years old

Education

With at least college degree: 13.9%
With STEM degree: 33.6%

Marital Status

 40.6% married 

Never married: 35.6%

Labor Force Participation

 57.1% working 

Unemployed: 7.0%

Average Family Size

 3.19 people 

Commute Time

 27.2 minutes 

Health Care

 12.2% uninsured 

Poverty

 25.0%

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

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