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zipcodes.pro — ZIP/20778

20778

ZIP 20778 is West River, Maryland, in Anne Arundel County; area codes 443, 410 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Anne Arundel
Population
2,211
Coordinates
38.8287, -76.5727
☼ Live from 20778 — West River, MD

Weather right now

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Local time: —

Where 20778 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 20778
  • 🔢 Type 20778 into a pocket calculator and turn it upside down: BLLOZ — not quite a word, sorry.
  • ➕ As a number, 20,778 = 2 × 3 × 3463. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000100101010
  • 🏠 Its numerical neighbours: 20777 (Highland, MD, 32 mi away) and 20779 (Tracys Landing, MD, 5 mi away).
  • 🔄 Backwards, 20778 becomes 87702, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (02877, 07728, 07827, 20787, 20877, 27708, …). The farthest-flung twin is 87027 in La Jara, NM, 1,668 miles away.
  • 🧭 Farther south than 53% of all ZIP codes, and farther east than 83%.
  • 🎯1,175 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20778 and you would come out at 38.83°S, 103.43°E — 845 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
  • 📏 At 7.6 square miles of land, 20778 is bigger than 24% of ZIP codes — room for about 5.8 Central Parks.
🌙 The sky over 20778 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,211This ZIP2,211
Households729This ZIP729
Housing units747This ZIP747
Median age47.7This ZIP47.7Maryland39.4US 38.9
Median household income$205,974This ZIP$205,974Maryland$103,678US $80,734
Median home value$716,500This ZIP$716,500Maryland$419,900US $332,700
Bachelor's degree or higher49.9%This ZIP49.9%
Mean commute30.9 minThis ZIP30.9 min
Population density289.4 / sq miThis ZIP289.4 / sq mi

Business and tax activity

Business establishments44This ZIP44
Employees373This ZIP373
Annual payroll$19,559,000This ZIP$19,559,000
Tax returns filed930This ZIP930
Total adjusted gross income$136,663,000This ZIP$136,663,000

Land area

Land area7.64 sq miThis ZIP7.64 sq mi
Water area0.75 sq miThis ZIP0.75 sq mi

Other place names in 20778

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 20778

ZIPCityDistance
20765 Galesville, MD 1.8 mi
20751 Deale, MD 2.4 mi
20733 Churchton, MD 2.7 mi
20776 Harwood, MD 3.6 mi
20764 Shady Side, MD 3.7 mi
20711 Lothian, MD 4.3 mi
20779 Tracys Landing, MD 4.8 mi
21106 Mayo, MD 5.2 mi
21037 Edgewater, MD 6.5 mi
20758 Friendship, MD 6.6 mi

Find every ZIP code within 10 miles of 20778 →

Questions about this ZIP code

Where is ZIP code 20778?

20778 is in West River, Maryland, in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 38.8287, -76.5727.

What county is 20778 in?

20778 lies in Anne Arundel County.

What area code is 20778?

West River uses area codes 443, 410 and 667, from NANPA's telephone records.

What time zone is 20778 in?

20778 uses America/New_York.

How many people live in 20778?

About 2,211 people live in ZIP code 20778, in 729 households, at 289.4 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 20778?

$205,974 a year, against $103,678 across Maryland.

What ZIP codes are near 20778?

The closest are 20765 (1.8 mi), 20751 (2.4 mi), 20733 (2.7 mi), 20776 (3.6 mi) and 20764 (3.7 mi).

Is 20778 a PO Box ZIP code?

20778 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20778 ZIP Code — West River, Maryland (Anne Arundel County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20778

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