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zipcodes.pro — ZIP/21851

21851

ZIP 21851 is Pocomoke City, Maryland, mostly in Worcester County; area codes 443, 410 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Worcester +1 more
Metro area
Ocean Pines, MD
Population
7,297
Coordinates
38.0776, -75.5435
☼ Live from 21851 — Pocomoke City, MD

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Local time: —

Where 21851 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 21851
  • 🔢 Type 21851 into a pocket calculator and turn it upside down: ISBIZ — not quite a word, sorry.
  • ➕ 21851 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010101011011
  • 🏠 Its numerical neighbours: 21850 (Pittsville, MD, 21 mi away) and 21852 (Powellville, MD, 20 mi away).
  • 🔄 Backwards, 21851 becomes 15812, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (11582, 12158, 12185, 12518, 12581, 12815, …). The farthest-flung twin is 85121 in Bapchule, AZ, 2,058 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther east than 86%.
  • 🎯1,240 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21851 and you would come out at 38.08°S, 104.46°E — 771 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
  • 📏 At 103.6 square miles of land, 21851 is bigger than 79% of ZIP codes — room for about 79 Central Parks.
🌙 The sky over 21851 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population7,297This ZIP7,297
Households3,252This ZIP3,252
Housing units3,644This ZIP3,644
Median age44.1This ZIP44.1Maryland39.4US 38.9
Median household income$53,162This ZIP$53,162Maryland$103,678US $80,734
Median home value$206,700This ZIP$206,700Maryland$419,900US $332,700
Median gross rent$848This ZIP$848Maryland$1,705US $1,413
Bachelor's degree or higher22.5%This ZIP22.5%
Mean commute24.4 minThis ZIP24.4 min
Population density70.4 / sq miThis ZIP70.4 / sq mi

Business and tax activity

Business establishments189This ZIP189
Employees2,813This ZIP2,813
Annual payroll$127,525,000This ZIP$127,525,000
Tax returns filed3,540This ZIP3,540
Total adjusted gross income$200,200,000This ZIP$200,200,000

Land area

Land area103.63 sq miThis ZIP103.63 sq mi
Water area1.94 sq miThis ZIP1.94 sq mi

Counties 21851 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Worcester County 80.3%
Somerset County 19.7%

Other place names in 21851

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

ZIP codes near 21851

ZIPCityDistance
21857 Rehobeth, MD 7.0 mi
23415 New Church, VA 7.1 mi
21864 Stockton, MD 8.1 mi
23395 Horntown, VA 9.1 mi
21829 Girdletree, MD 9.5 mi
23488 Withams, VA 9.5 mi
23483 Wattsville, VA 9.5 mi
23416 Oak Hall, VA 9.7 mi
23356 Greenbackville, VA 9.8 mi
21890 Westover, MD 10.2 mi

Find every ZIP code within 10 miles of 21851 →

Questions about this ZIP code

Where is ZIP code 21851?

21851 is in Pocomoke City, Maryland, in Worcester County, part of the Ocean Pines, MD micropolitan area. Its published point location is 38.0776, -75.5435.

What county is 21851 in?

21851 spans 2 counties: Worcester County and Somerset County. Most of it falls in Worcester County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 21851?

Pocomoke City uses area codes 443, 410 and 667, from NANPA's telephone records.

What time zone is 21851 in?

21851 uses America/New_York.

How many people live in 21851?

About 7,297 people live in ZIP code 21851, in 3,252 households, at 70.4 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 21851?

$53,162 a year, against $103,678 across Maryland.

What ZIP codes are near 21851?

The closest are 21857 (7 mi), 23415 (7.1 mi), 21864 (8.1 mi), 23395 (9.1 mi) and 21829 (9.5 mi).

Is 21851 a PO Box ZIP code?

21851 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21851 ZIP Code — Pocomoke City, Maryland (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21851

Machine-readable version of these facts:

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