City

Johns Island, SC

2 ZIP codes  ·  Charleston County  ·  South Carolina

👥26,308Population
💰$117,422Median HH Income▲ 54% above avg
🎂51.6Median Age
🏠$499,500Median Home Value▲ 79% above avg
🎓65.5%College Grads▲ 69% above avg
📊1.9%Unemployment▼ 62% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.0% Female 51.0% ♀

Race & Ethnicity

White: 75%Hispanic: 7.9%Black: 11.1%Asian: 0.4%Other: 4%Race
White75.0%
Hispanic7.9%
Black11.1%
Asian0.4%
Other4.0%

Age Breakdown

Under 5
5%
5–17
9%
18–24
5%
25–44
25%
45–64
30%
65+
14%

Key Indicators

Median Age51.6 yrs
Avg HH Size2.25
Below Poverty9.2% ▼ 8% below avg
College Grads65.5% ▲ 69% above avg
Unemployment1.9% ▼ 62% below avg
No HS Diploma196 (1%)
HS Graduate2,561 (12.9%)
Some College1,671 (8.4%)
Associates2,420 (12.2%)
Bachelors1,652 (8.3%)
Graduate Degree11,340 (57.2%)

Education

No HS: 1%HS Grad: 12.9%Some College: 8.4%Associates: 12.2%Bachelors: 8.3%Graduate: 57.2%Edu
No HS1.0%
HS Grad12.9%
Some College8.4%
Associates12.2%
Bachelors8.3%
Graduate57.2%
Housing & Income

Housing Tenure

Owner: 86.3%Renter: 13.7%Tenure
Owner86.3%
Renter13.7%

Home Value Distribution

Under $50k
2%
$50k–$100k
1%
$100k–$150k
2%
$150k–$200k
3%
$200k–$300k
11%
$300k–$500k
35%
Over $500k
45%

Financials

Median HH Income$117,422 ▲ 54% above avg
Median Home Value$499,500 ▲ 79% above avg
Home/Income Ratio4.3x (nat avg ~3.5x)
Median Rent$1,489/mo
Total Housing Units17,196
Vacant Units5,580

Income Distribution

Under $25k
10%
$25k–$50k
8%
$50k–$75k
12%
$75k–$100k
12%
$100k–$150k
20%
$150k–$200k
15%
Over $200k
23%
Employment & Commute

How People Get to Work

Drove Alone
76%
Public Transit
1%
Walked
1%
Work From Home
22%

Commute Time

Under 15 min
15%
15–30 min
39%
30–45 min
27%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
3%
1960s–1970s
10%
1980s–1990s
19%
2000+
69%
About Johns Island, SC

Johns Island is a city in South Carolina, located in Charleston County. The city spans 2 ZIP codes and is home to approximately 26,308 residents. It is a mature city, with a median age of 51.6 years.

Economically, Johns Island is a upper-middle-income community. The median household income of $117,422 is significantly above the national average. Approximately 9.2% of residents live below the poverty line. The unemployment rate is 1.9%, well below the national average.

The real estate market in Johns Island is a premium housing market. Median home values stand at $499,500, which is significantly above the national average. Renters typically pay around $1,489 per month. Homeownership is high at 86.3%, typical of suburban and family-oriented communities.

The population of Johns Island is highly educated. 65.5% of adults hold a bachelor's degree or higher — significantly above the national average. The community is primarily White (75.01%).

Johns Island, SC offers residents above-average earning potential within South Carolina. Spread across 2 ZIP codes, the city's neighborhoods vary in character, density, and demographics — explore each ZIP code below for a detailed breakdown.

ZIP Codes in Johns Island
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
29455 26,308 $117,422 $499,500 $1,489 1.9% 65.5% 86.3%