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/MD/ST-GEORGE-ISLAND

St. George Island ZIP codes, Maryland

No ZIP code is named for St. George Island, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 20674. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
277
Area codes
240, 301, 227

NANPA lists no telephone rate centre for St. George Island itself, so these are the area codes of the nearest one, Leonardtown (9.4 miles). A town on an area-code boundary can differ from its neighbour.

St. George Island in numbers

About 277 people live in St. George Island, in 110 households. The median household income is $250,000+ a year (US: $80,734). The median owner-occupied home is valued at $788,000 (88% above the Maryland median). The median age is 45.2; 52.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland).

Population277St. George Island277
Households110St. George Island110
Median age45.2St. George Island45.2Maryland39.4US 38.9
Median household income$250,000+St. George Island$250,000+Maryland$103,678US $80,734
Median home value$788,000St. George Island$788,000Maryland$419,900US $332,700
Bachelor's degree or higher52.2%St. George Island52.2%Maryland43.4%US 35.7%
Population density352 / sq miSt. George Island352 / sq mi

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

ZIP codes covering St. George Island

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

ZIP codes overlapping St. George Island
ZIP City Type Population Median income Median home
20674 Piney Point , MD Standard 769 $171,985 $592,400

Map of St. George Island ZIP codes

20674

The ZIP codes of St. George Island, MD, 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 St. George Island

The nearest larger towns are Piney Point (1,274 people, 3.3 mi), Tall Timbers (391 people, 5.1 mi) and Callaway (930 people, 8.7 mi).

Towns near St. George Island
TownPopulationDistance
Lexington Park 13,252 9.4 mi
California 13,136 12.6 mi
Wildewood 7,552 13.5 mi
Drum Point 3,589 15.0 mi
Leonardtown 4,808 15.7 mi
Chesapeake Ranch Estates 9,241 17.0 mi
Lusby 2,595 17.2 mi
Golden Beach 3,830 28.6 mi
Colonial Beach, VA 3,966 29.9 mi

More nearby: every ZIP code in St. Mary's County · Maryland ZIP codes

Cite this page

zipcodes.pro. “St. George Island, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/st-george-island

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