29812   Zip Code Barnwell Barnwell SC United States

City Barnwell
County Barnwell
State South Carolina
Latitude 33.21185
Longitude -81.37911
Population 11,132
Density 64.25 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: $51,870
Median individual: $31,276

Race

Mode: 60.1% White

Gender

 52.0% female 

Rent

  $717 / month  

Median house value: $122,457.0

Age

Median: 38.7 years old

Education

With at least college degree: 15.3%
With STEM degree: 33.9%

Marital Status

 42.4% married 

Never married: 37.8%

Labor Force Participation

 58.1% working 

Unemployed: 7.3%

Average Family Size

 3.21 people 

Commute Time

 27.1 minutes 

Health Care

 10.2% uninsured 

Poverty

 23.8%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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