29455   Zip Code Johns Island Charleston SC United States

City Johns Island
County Charleston
State South Carolina
Latitude 32.68581
Longitude -80.08604
Population 27,576
Density 275.13 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: $121,372
Median individual: $60,759

Race

Mode: 76.1% White

Gender

 51.8% female 

Rent

  $1567 / month  

Median house value: $597,210.0

Age

Median: 49.8 years old

Education

With at least college degree: 59.5%
With STEM degree: 48.8%

Marital Status

 63.9% married 

Never married: 23.2%

Labor Force Participation

 63.4% working 

Unemployed: 1.5%

Average Family Size

 2.60 people 

Commute Time

 29.1 minutes 

Health Care

 5.8% uninsured 

Poverty

 9.0%

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

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