Johns Island ZIP Codes — Charleston County, SC

There are 2 unique ZIP codes in Johns Island, South Carolina. Area code: 843.

ZIP codes

100.24

sq mi land

9.93

sq mi water

843

area code

Johns Island, SC ZIP code map

About Johns Island, SC

Johns Island, South Carolina, is a picturesque community located within Charleston County. Nestled just southwest of downtown Charleston, this charming island is known for its lush landscapes and historic landmarks. It is an inviting destination, offering both a serene environment and a variety of recreational opportunities.

Location & geography

Johns Island is situated approximately 15 miles southwest of Charleston and is bordered by the Kiawah and Seabrook Islands. The island covers a substantial area, with 100.24 square miles of land and an additional 9.93 square miles of water, creating a unique blend of terrain. The waterways around Johns Island enhance its natural beauty, making it a popular spot for fishing, boating, and other water-related activities.

Community & economy

The character of Johns Island is defined by its close-knit community, rich history, and southern charm. The local economy thrives on a mix of agriculture, tourism, and small businesses that reflect the island's culture and heritage. Daily life on the island often revolves around its plentiful outdoor activities and gatherings, making it a friendly atmosphere for residents and visitors alike.

Transportation

Johns Island is accessible via several major highways, including State Highway 700 and River Road, which connect it to nearby cities and attractions. The nearest airport is Charleston International Airport, located about 25 miles to the northeast. Public transportation options are limited, but residents often rely on personal vehicles to navigate the island and reach surrounding areas.

History

Johns Island was first settled in the late 1600s and has a rich agricultural history, particularly in the cultivation of rice and indigo. The island played a notable role during the Civil War, with various skirmishes and military activities recorded in the area. Over the years, it has evolved from its agrarian roots to embrace tourism and residential development, highlighting its unique character and historical significance.

Did you know?

One surprising fact about Johns Island is that it is home to the Angel Oak Tree, which is estimated to be over 400 years old, making it one of the oldest living things in the country. Additionally, the island is known for its vibrant culture, which includes art, music, and local cuisine that reflects its deep-rooted heritage.

ZIP codes for Johns Island, SC (2)

ZIP code	City	County	Map
29455	Johns Island	Charleston	View map
29457	Johns Island	Charleston	View map

Demographics & statistics

25,449

Population

51.2

Median age

$111,300

Median household income

$68,784

Per capita income

$456,800

Median home value

$1,410

Median monthly rent

86.6%

Home ownership

8.1%

Poverty rate

2.0%

Unemployment

15,116

Housing units

55.0%

Bachelor's or higher

Age distribution

Male Female

704

Under 5

749

313

5–9

332

473

10–14

503

287

15–19

306

686

20–24

730

1,446

25–34

1,537

1,403

35–44

1,490

1,280

45–54

1,361

1,093

55–59

1,162

1,485

60–64

1,578

2,161

65–74

2,296

832

75–84

885

173

85+

184

← Male

Female →

Age summary

Group	Count	%
Under 18	3,523	13.8%
18 and over	21,926	86.2%
65 and over	6,531	25.7%
Median age	51.2 years

Race & ethnicity

White 73%

Black or African American 12.7%

Hispanic or Latino 4.9%

Two or more races 3.6%

Other race 3.3%

American Indian / Alaska Native 2.3%

Asian 0.2%

Group	Count	%
White	19,526	73%
Black or African American	3,404	12.7%
Hispanic or Latino	1,300	4.9%
Two or more races	960	3.6%
Other race	893	3.3%
American Indian / Alaska Native	624	2.3%
Asian	42	0.2%

Household income

Under $10k 3.5%

$10k–$15k 1.4%

$15k–$25k 4.7%

$25k–$35k 3.9%

$35k–$50k 6.9%

$50k–$75k 13.9%

$75k–$100k 11.2%

$100k–$150k 20.8%

$150k–$200k 13.6%

$200k+ 20.1%

Range	% of households
Under $10k	3.5%
$10k–$15k	1.4%
$15k–$25k	4.7%
$25k–$35k	3.9%
$35k–$50k	6.9%
$50k–$75k	13.9%
$75k–$100k	11.2%
$100k–$150k	20.8%
$150k–$200k	13.6%
$200k+	20.1%
Median income	$111,300

Housing

Home values

Under $50k 2.0%

$50k–$100k 1.7%

$100k–$150k 3.0%

$150k–$200k 4.6%

$200k–$300k 13.7%

$300k–$500k 30.8%

$500k–$1M 27.9%

$1M+ 16.3%

Housing overview

Metric	Value
Median home value	$456,800
Median rent / month	$1,410
Owner occupied	86.6%
Renter occupied	13.4%
Vacant	33.0%
Single-family detached	73.1%
Large apartment buildings	3.9%
Mobile homes	4.7%
Median rooms	6.3
Avg household size (owned)	2.19

Year built

Era	%
2020 or later	2.0%
2010–2019	24.0%
2000–2009	19.3%
1990–1999	15.1%
1980–1989	17.2%
1970–1979	11.8%
1960–1969	4.0%
1950–1959	3.7%
1940–1949	1.1%
1939 or earlier	1.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	5.5%
2 bedrooms	14.0%
3 bedrooms	48.6%
4 bedrooms	22.7%
5+ bedrooms	8.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.7%
1 vehicle	24.3%
2 vehicles	53.8%
3 or more	20.2%

Heating fuel

Fuel type	%
Utility gas	21.8%
Electricity	71.6%
Propane / LP gas	5.8%
Fuel oil	0.1%
Wood	0.5%

Households & families

Household type	Count	%
Married-couple family	6,780	61.0%
Cohabiting couple	654	5.9%
Male householder, no spouse	1,012	9.1%
Female householder, no spouse	2,676	24.1%
Households with children under 18	2,019	18.2%
Households with seniors (65+)	4,268	38.4%
Average household size	2.28

Marital status

Status	Male	Female
Never married	25.2%	18.8%
Married	66.8%	61.1%
Separated	1.3%	2.1%
Widowed	1.4%	7.1%
Divorced	5.3%	11.0%

Education

Less than 9th grade 1.4%

Some HS, no diploma 4.5%

HS graduate 17.3%

Some college, no degree 14.4%

Associate's degree 7.4%

Bachelor's degree 27.9%

Graduate / professional 27.1%

Metric	%
HS diploma or higher	94.1%
Bachelor's or higher	55.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	444	12.3%
Kindergarten	191	5.3%
Elementary school	1,265	35.1%
High school	565	15.7%
College / grad school	1,142	31.7%

Employment

Industry of employment

Education & healthcare 21.4%

Professional & management 19.6%

Arts, food & hospitality 11.3%

Retail trade 9.4%

Finance & real estate 8.5%

Manufacturing 7.0%

Construction 6.9%

Other services 4.6%

Public administration 4.1%

Wholesale trade 2.6%

Transportation & utilities 2.3%

Information 1.6%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	52.4%
Service	18.2%
Sales & office	17.3%
Natural resources & construction	5.1%
Production & transportation	7.0%

Employment type

Type	%
Private sector	77.2%
Government	12.8%
Self-employed	9.9%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	71.8%
Carpool	9.9%
Public transit	0.8%
Walk	1.0%
Other means	1.2%
Avg commute (minutes)	30.0

Poverty

All people 8.1%

Under 18 years 18.9%

18 and over 6.4%

Married-couple families 3.7%

Female-led households 6.7%

Income support

Source	% of households
Social Security	35.6%
Retirement income	30.4%
Supplemental Security	2.8%
Cash public assistance	0.9%
Food stamps / SNAP	3.2%

Health indicators

Condition	%
High blood pressure	34.6%
High cholesterol	35.9%
Heart disease	5.9%
Stroke	2.9%
Asthma	9.0%
Arthritis	27.1%
Kidney disease	2.8%
Pulmonary disease	5.3%
Cancer	7.1%

Behavior / access	%
Binge drinking	19.7%
No physical activity	18.0%
Less than 7 hrs sleep	33.1%
Fair or poor health	11.9%
Poor mental health	12.2%
Poor physical health	9.1%
No health insurance	13.5%
Visited doctor (checkup)	79.3%
Visited dentist	73.8%
Cholesterol screening	91.9%
Teeth loss	8.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,586	7.3%

Disability	%
Any disability	9.3%
Under 18	2.4%
18–64 years	6.7%
65 and over	19.6%

Health insurance coverage

Type	%
Private insurance	74.2%
Public insurance	34.1%
Uninsured under 19	4.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	23,996	94.3%
Spanish	516	2.2%
Other Indo-European	449	1.9%
Asian & Pacific Islander	41	0.2%
Other languages	26	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	24,116	94.8%
Born in same state	23,682	93.1%
Born in different state	9,675	38.0%
Foreign born	434	1.7%
Naturalized citizen	1,333	5.2%
Not a US citizen	647	48.5%

Ancestry

Ancestry	Count	%
French	4,116	16.2%
Italian	3,611	14.2%
Arab	2,822	11.1%
English	271	1.1%
Polish	183	0.7%

Ancestry	Count	%
Irish	116	0.5%
Norwegian	94	0.4%
German	55	0.2%
Dutch	20	0.1%

Technology access

Metric	% of households
Computer access	43.7%
Internet access	96.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Johns Island, SC have?

Johns Island, SC has one ZIP code: 29455. Each ZIP code serves a distinct delivery area within the city and surrounding region.