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/WEST-RIVER

West River ZIP code, Maryland

The ZIP code for West River, MD is 20778, and its area codes are 443, 410 and 667.

USPS city name
1 ZIP code
Population
2,211
Area codes
443, 410, 667

West River in numbers

About 2,211 people live in West River, in 729 households. The median household income is $205,974 a year, 99% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $716,500 (71% above the Maryland median).

Population2,211West River2,211
Households729West River729
Median household income$205,974West River$205,974Maryland$103,678US $80,734
Median home value$716,500West River$716,500Maryland$419,900US $332,700

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

ZIP codes addressed as West River

ZIP codes with the USPS city name West River
ZIP City Type Population Median income Median home
20778 West River , MD Standard 2,211 $205,974 $716,500

Map of West River ZIP codes

20778

The ZIP codes of West River, 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 West River

The nearest larger towns are Shady Side (4,727 people, 2.9 mi), Deale (5,333 people, 3.4 mi) and Mayo (8,694 people, 6.1 mi).

Towns near West River
TownPopulationDistance
Shady Side 4,727 2.9 mi
Deale 5,333 3.4 mi
Mayo 8,694 6.1 mi
Marlboro Meadows 3,929 7.5 mi
Edgewater 8,519 7.8 mi
Riva 4,976 8.1 mi
Owings 2,643 8.2 mi
Annapolis Neck 12,032 8.5 mi
Brock Hall 13,615 9.3 mi
Chesapeake Beach 6,456 9.7 mi
Annapolis 40,720 10.6 mi
Marlboro Village 9,382 10.6 mi
Parole 17,229 11.1 mi
Naval Academy 3,006 11.8 mi

More nearby: every ZIP code in Anne Arundel County · Maryland ZIP codes

Cite this page

zipcodes.pro. “West River, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/west-river

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