29817   Zip Code Blackville Barnwell SC United States

City Blackville
County Barnwell
State South Carolina
Latitude 33.36989
Longitude -81.27096
Population 4,139
Density 36.27 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: $41,579
Median individual: $22,149

Race

Mode: 54.2% Black

Gender

 54.1% female 

Rent

  $955 / month  

Median house value: $88,760.0

Age

Median: 41.9 years old

Education

With at least college degree: 9.4%
With STEM degree: 17.9%

Marital Status

 43.7% married 

Never married: 31.0%

Labor Force Participation

 49.7% working 

Unemployed: 5.4%

Average Family Size

 2.95 people 

Commute Time

 27.8 minutes 

Health Care

 17.9% uninsured 

Poverty

 25.1%

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

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