Data Last Updated: May 1, 2022

ZIP Codes for City of Johns Island, SC

Johns Island, SC Covers 2 ZIP Codes

ZIP Code	Type	County	Population	Area Code(s)
ZIP Code 29455	Standard	Charleston	20,478	843
ZIP Code 29457	P.O. Box	Charleston	0	843

Timezone(s):	Eastern (GMT -05:00)
Counties:	CHARLESTON, SC

Population:	20,478 (More Details)
Male Population:	10,147
Female Population:	10,331
Median Age:	44

ZIP Codes:	2
Cities:	1
Counties:	1
Area Codes:	1

Total Area:	1,358 square miles (county)
Land Area:	916 square miles (county)
Water Area:	442 square miles (county)

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Johns Island, SC Demographic Information *

There is no Census data for the city of JOHNS ISLAND, SC. We have pulled information for the ZIP Code 29455 instead.

Total population	20,478
Male population	10,147
Female population	10,331
Median age (years)	44.2
White Population	13,943
Black Population	5,025
Indian Population	69
Asian Population	151
Hawaiian Population	11
Hispanic Population	1,841
Median age (Male)	42
Median age (Female)	46
Total households	8,394
Family households (families)	5,782
Average household size	2.42
Average family size	2.85
Total housing units	13,079

* Demographic data is based on 2010 Census.

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References

U.S. Postal Service [Last Updated: 5/1/2022], https://www.usps.com

ZIP-Codes.com Internal Data Creation [Last Updated: 5/1/2022], https://www.zip-codes.com

U.S. Geological Survey [Updated as needed], https://www.usgs.gov/

U.S. Census [Updated Yearly], https://www.census.gov

U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov