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/SAINT-HELENA-ISLAND

Saint Helena Island ZIP code, South Carolina

The ZIP code for Saint Helena Island, SC is 29920, and its area code is 843.

USPS city name
1 ZIP code
Population
10,606
Area code
843

Saint Helena Island in numbers

About 10,606 people live in Saint Helena Island, in 4,486 households. The median household income is $77,744 a year, 12% above the South Carolina median of $69,324 (US: $80,734). The median owner-occupied home is valued at $288,700 (11% above the South Carolina median).

Population10,606Saint Helena Island10,606
Households4,486Saint Helena Island4,486
Median household income$77,744Saint Helena Island$77,744South Carolina$69,324US $80,734
Median home value$288,700Saint Helena Island$288,700South Carolina$259,000US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Saint Helena Island. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Saint Helena Island

ZIP codes with the USPS city name Saint Helena Island
ZIP City Type Population Median income Median home
29920 Saint Helena Island , SC Standard 10,606 $77,744 $288,700

Map of Saint Helena Island ZIP codes

29920

The ZIP codes of Saint Helena 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 Saint Helena Island

The nearest larger towns are Port Royal (15,579 people, 8.6 mi), Beaufort (13,747 people, 12 mi) and Hilton Head Island (37,911 people, 16 mi).

Towns near Saint Helena Island
TownPopulationDistance
Port Royal 15,579 8.6 mi
Burton 6,912 11.7 mi
Beaufort 13,747 11.8 mi
Laurel Bay 5,882 15.1 mi
Hilton Head Island 37,911 16.2 mi
Ridgeland 3,764 22.6 mi
Bluffton 33,157 24.3 mi
Hardeeville 10,871 28.8 mi

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

Cite this page

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

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