US ZIP Code
29455

Johns Island, SC

Charleston County  ·  South Carolina

● Active
👥 26,308 Population ↑ 17% since 2019
💰 $117,422 Median HH Income
▲ 54% above avg ↑ 48% since 2019
🎂 51.6 Median Age ↑ 5% since 2019
🏠 $499,500 Median Home Value
▲ 79% above avg ↑ 39% since 2019
🎓 65.5% College Grads
▲ 69% above avg
📊 1.9% Unemployment
▼ 62% below avg ↓ 30% since 2019
ZIP Code Details
ZIP Code29455
CityJohns Island
StateSouth Carolina (SC)
CountyCharleston County
Area Code843/854
Elevation3 ft
Latitude32.684168
Longitude-80.091953
TimezoneNew York (DST)
FIPS45019
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.0% (12,880) Female 51.0% (13,428) ♀

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 ↑ 5% since 2019
Avg Household 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 ↑ 48% since 2019
Median Home Value$499,500 ▲ 79% above avg ↑ 39% since 2019
Home/Income Ratio4.3x (nat avg ~3.5x)
Median Rent$1,489/mo ↑ 17% since 2019
Total Units17,196
Vacant Units5,580
Avg HH Size2.25

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%

Summary

Total Units17,196
Vacant5,580
Owner Occupied86.3%
Renter Occupied13.7%
Avg HH Size2.25
Frequently Asked Questions
ZIP code 29455 is in Johns Island, SC, in Charleston County.
ZIP code 29455 is located in South Carolina (SC).
ZIP code 29455 is in Charleston County, SC.
ZIP 29455 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 29455 is 26,308 people (ACS 2023).
The median household income in ZIP code 29455 is $117,422 (ACS 2023).
The median home value in ZIP 29455 is $499,500 (ACS 2023).
About ZIP Code 29455

ZIP code 29455 is located in Johns Island, South Carolina, within Charleston County. With a population of 26,308, this is a moderately populated ZIP code with a mature community — the median age is 51.6 years. Economically, 29455 is a upper-middle-income ZIP code: the median household income of $117,422 is significantly above the national average.

Real estate in ZIP code 29455 represents a premium housing market. The median home value of $499,500 is significantly above the national average. Renters can expect to pay around $1,489 per month in median rent. Homeownership is strong here — 86.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 39% since 2019.

The population of 29455 is primarily White (75.01%). Residents are highly educated — 65.5% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 9.2%. Household income has grown by 48% since 2019.

The unemployment rate in 29455 stands at 1.9%, which is well below the national average. About 20% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 29455 in Johns Island, SC is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 26,308 residents, a median household income of $117,422, and a median home value of $499,500, it offers a clear picture of life in this part of South Carolina.