29334   Zip Code Duncan Spartanburg SC United States

City Duncan
County Spartanburg
State South Carolina
Latitude 34.90372
Longitude -82.12526
Population 18,575
Density 808.81 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: $81,413
Median individual: $46,569

Race

Mode: 67.1% White

Gender

 52.0% female 

Rent

  $1216 / month  

Median house value: $296,377.0

Age

Median: 36.2 years old

Education

With at least college degree: 33.1%
With STEM degree: 46.4%

Marital Status

 54.9% married 

Never married: 26.5%

Labor Force Participation

 71.1% working 

Unemployed: 3.2%

Average Family Size

 3.19 people 

Commute Time

 25.6 minutes 

Health Care

 7.3% uninsured 

Poverty

 9.3%

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

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