Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/SC/KIAWAH-ISLAND

Kiawah Island ZIP codes, South Carolina

No ZIP code is named for Kiawah Island, SC; addresses there use a neighbouring town's name. The ZIP code covering it is 29455. Its area codes are 843 and 854.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
2,326
Area codes
843, 854

NANPA lists no telephone rate centre for Kiawah Island itself, so these are the area codes of the nearest one, Folly Beach (8.1 miles). A town on an area-code boundary can differ from its neighbour.

Kiawah Island in numbers

About 2,326 people live in Kiawah Island, in 1,211 households. The median household income is $213,594 a year, 3.1 times the South Carolina median of $69,324 (US: $80,734). The median owner-occupied home is valued at $2,000,000+. The median age is 66.8; 87.3% of adults 25 and over hold a bachelor's degree or higher (32.1% across South Carolina); the average commute takes 32 minutes.

Population2,326Kiawah Island2,326
Households1,211Kiawah Island1,211
Median age66.8Kiawah Island66.8South Carolina40.2US 38.9
Median household income$213,594Kiawah Island$213,594South Carolina$69,324US $80,734
Median home value$2,000,000+Kiawah Island$2,000,000+South Carolina$259,000US $332,700
Bachelor's degree or higher87.3%Kiawah Island87.3%South Carolina32.1%US 35.7%
Mean commute32.1 minKiawah Island32.1 minSouth Carolina25.6 minUS 26.4 min
Population density208 / sq miKiawah Island208 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Kiawah Island town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Kiawah Island

These ZIP codes cover part of Kiawah Island but are addressed as somewhere else.

ZIP codes overlapping Kiawah Island
ZIP City Type Population Median income Median home
29455 Johns Island , SC Standard 27,576 $121,372 $590,800

Map of Kiawah Island ZIP codes

29455

The ZIP codes of Kiawah Island, SC, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Kiawah Island

The nearest larger towns are James Island (12,198 people, 11 mi), Hollywood (5,382 people, 12 mi) and Ravenel (2,615 people, 15 mi).

Towns near Kiawah Island
TownPopulationDistance
James Island 12,198 10.9 mi
Hollywood 5,382 12.4 mi
Ravenel 2,615 14.9 mi
Charleston 154,338 15.5 mi
Mount Pleasant 93,993 17.5 mi
North Charleston 119,913 20.8 mi
Hanahan 21,452 22.0 mi
Isle of Palms 4,362 22.1 mi
Goose Creek 48,078 26.3 mi
Ladson 16,140 27.3 mi
Summerville 51,654 27.8 mi
Sangaree 8,681 29.0 mi

More nearby: every ZIP code in Charleston County · South Carolina ZIP codes

Cite this page

zipcodes.pro. “Kiawah Island, SC ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sc/kiawah-island

Underlying data is public domain or openly licensed — sources, vintages and licences.