29455 ZIP Code, Johns Island, SC

29455 is a ZIP code in Johns Island, South Carolina in Charleston County. It covers 100 square miles of land. The closest ZIP codes are 29487, 29439 and 29412. 27,576 people live here in 12,249 households. With about 275 people per square mile it is lightly settled, and most homes are owner-occupied (88%). Median household income is $121,372, well above the South Carolina median of $69,324; the median age is 49.8, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents27,576
Households12,249
Median household income$121,372
Income per person$80,015
Median age49.8
Homeowners88.2%
Median home value$590,800
Median rent$1,567
Bachelor's degree or higher59.5%
Average commute (minutes)29.1
Households with kids under 1818.4%
Moved in the past year16.0%
Below the poverty line9.0%
Broadband internet95.3%
Speak a non-English language at home8.2%

Household income

% of householdsValue
<$10K3.1%
$10–15K2.5%
$15–25K3.8%
$25–35K2.6%
$35–50K5.6%
$50–75K11.2%
$75–100K12.5%
$100–150K17.9%
$150–200K15.3%
$200K+25.5%

Age

% of all residentsValue
<108.8%
10–197.3%
20–243.8%
25–3412.5%
35–4413.8%
45–548.2%
55–6419.9%
65–7418.3%
75+7.4%

Tenure

% of housing unitsValue
Owned, with mortgage41.6%
Owned outright19.9%
Rented8.0%
Vacant30.5%

Type of building

% of housing unitsValue
Detached house71.6%
Townhome7.4%
2–4 units2.1%
5–19 units10.5%
20+ units3.6%
Mobile / other4.8%

Businesses in 29455

861 business establishments with 8,437 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 29455 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 29455

Where it ranks

Mail every home in 29455

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 29455, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 29455 in?
29455 is a Johns Island, SC mailing address. By land area, 15% lies inside Charleston, 11% lies inside Kiawah Island and 6% lies inside Seabrook Island; the rest is outside any Census-defined city or community.
What county is 29455 in?
29455 is in Charleston County.
What is the population of 29455?
About 27,576 people (±1,853), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 28,344.
What is the median household income in 29455?
$121,372 (±$10,234), compared with $69,324 for South Carolina as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 29455?
EDDM2GO's stored route library does not include 29455 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 29455?
The closest, measured center to center: 29487 (5.7 mi, Rockville), 29439 (8.1 mi, Folly Beach), 29412 (8.4 mi, Charleston), 29407 (9.6 mi, Charleston), 29409 (10.9 mi, Charleston) and 29425 (10.9 mi, Charleston).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.