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zipcodes.pro — ZIP/21782

21782

ZIP 21782 is Sharpsburg, Maryland, in Washington County; area codes 240, 301 and 227; Eastern time.

Type
Standard
Time zone
America/New_York
County
Washington
Population
3,704
Coordinates
39.4555, -77.7602
☼ Live from 21782 — Sharpsburg, MD

Weather right now

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Local time: —

Where 21782 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 21782
  • 🔢 Type 21782 into a pocket calculator and turn it upside down: ZBLIZ — not quite a word, sorry.
  • ➕ As a number, 21,782 = 2 × 10891. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010100010110
  • 🏠 Its numerical neighbours: 21781 (Saint James, MD, 8 mi away) and 21783 (Smithsburg, MD, 18 mi away).
  • 🔄 Backwards, 21782 becomes 28712 — and that is a real ZIP code: Brevard, NC, 404 miles away.
  • 👥 30 other ZIP codes are made of exactly the same digits (12827, 12872, 17228, 17822, 21278, 21287, …). The farthest-flung twin is 87122 in Albuquerque, NM, 1,599 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 79%.
  • 🎯1,105 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21782 and you would come out at 39.46°S, 102.24°E — 922 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
  • 📏 At 29.3 square miles of land, 21782 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
🌙 The sky over 21782 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,704This ZIP3,704
Households1,522This ZIP1,522
Housing units1,607This ZIP1,607
Median age48.7This ZIP48.7Maryland39.4US 38.9
Median household income$94,130This ZIP$94,130Maryland$103,678US $80,734
Median home value$311,600This ZIP$311,600Maryland$419,900US $332,700
Median gross rent$1,147This ZIP$1,147Maryland$1,705US $1,413
Bachelor's degree or higher26.0%This ZIP26.0%
Mean commute36.3 minThis ZIP36.3 min
Population density126.4 / sq miThis ZIP126.4 / sq mi

Business and tax activity

Business establishments48This ZIP48
Employees283This ZIP283
Annual payroll$11,337,000This ZIP$11,337,000
Tax returns filed1,960This ZIP1,960
Total adjusted gross income$152,870,000This ZIP$152,870,000

Land area

Land area29.31 sq miThis ZIP29.31 sq mi
Water area2.17 sq miThis ZIP2.17 sq mi

Other place names in 21782

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

ZIP codes near 21782

ZIPCityDistance
25443 Shepherdstown, WV 3.1 mi
21756 Keedysville, MD 3.6 mi
21779 Rohrersville, MD 6.1 mi
21733 Fairplay, MD 6.5 mi
21713 Boonsboro, MD 6.8 mi
25442 Shenandoah Junction, WV 6.9 mi
21715 Brownsville, MD 7.5 mi
25404 Martinsburg, WV 7.6 mi
21781 Saint James, MD 8.0 mi
21746 Hagerstown, MD 8.0 mi

Find every ZIP code within 10 miles of 21782 →

Questions about this ZIP code

Where is ZIP code 21782?

21782 is in Sharpsburg, Maryland, in Washington County, part of the Hagerstown-Martinsburg, MD-WV metropolitan area. Its published point location is 39.4555, -77.7602.

What county is 21782 in?

21782 lies in Washington County.

What area code is 21782?

Sharpsburg uses area codes 240, 301 and 227, from NANPA's telephone records.

What time zone is 21782 in?

21782 uses America/New_York.

How many people live in 21782?

About 3,704 people live in ZIP code 21782, in 1,522 households, at 126.4 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 21782?

$94,130 a year, against $103,678 across Maryland.

What ZIP codes are near 21782?

The closest are 25443 (3.1 mi), 21756 (3.6 mi), 21779 (6.1 mi), 21733 (6.5 mi) and 21713 (6.8 mi).

Is 21782 a PO Box ZIP code?

21782 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21782 ZIP Code — Sharpsburg, Maryland (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21782

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