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zipcodes.pro — ZIP/21713

21713

ZIP 21713 is Boonsboro, Maryland, in Washington County; area codes 240, 301 and 227; Eastern time.

Type
Standard
Time zone
America/New_York
County
Washington
Population
9,846
Coordinates
39.5251, -77.6697
☼ Live from 21713 — Boonsboro, MD

Weather right now

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Local time: —

Where 21713 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 21713
  • 🔢 Type 21713 into a pocket calculator and turn it upside down: EILIZ — not quite a word, sorry.
  • ➕ 21713 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010011010001
  • 🏠 Its numerical neighbours: 21711 (Big Pool, MD, 21 mi away) and 21714 (Braddock Heights, MD, 12 mi away).
  • 🔄 Backwards, 21713 becomes 31712 — and that is a real ZIP code: Arabi, GA, 631 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (11237, 11372, 11732, 12137, 12173, 13217, …). The farthest-flung twin is 73112 in Oklahoma City, OK, 1,123 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 79%.
  • 🎯1,110 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21713 and you would come out at 39.53°S, 102.33°E — 920 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
  • 📏 At 39.6 square miles of land, 21713 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
🌙 The sky over 21713 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population9,846This ZIP9,846
Households3,899This ZIP3,899
Housing units4,018This ZIP4,018
Median age45.5This ZIP45.5Maryland39.4US 38.9
Median household income$96,199This ZIP$96,199Maryland$103,678US $80,734
Median home value$369,200This ZIP$369,200Maryland$419,900US $332,700
Median gross rent$1,176This ZIP$1,176Maryland$1,705US $1,413
Bachelor's degree or higher28.6%This ZIP28.6%
Mean commute31.4 minThis ZIP31.4 min
Population density248.9 / sq miThis ZIP248.9 / sq mi

Business and tax activity

Business establishments186This ZIP186
Employees1,803This ZIP1,803
Annual payroll$82,865,000This ZIP$82,865,000
Tax returns filed4,800This ZIP4,800
Total adjusted gross income$420,548,000This ZIP$420,548,000

Land area

Land area39.56 sq miThis ZIP39.56 sq mi
Water area0.06 sq miThis ZIP0.06 sq mi

Other place names in 21713

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

ZIP codes near 21713

ZIPCityDistance
21746 Hagerstown, MD 3.7 mi
21756 Keedysville, MD 4.7 mi
21733 Fairplay, MD 5.0 mi
21781 Saint James, MD 5.8 mi
21734 Funkstown, MD 5.9 mi
21773 Myersville, MD 6.4 mi
21782 Sharpsburg, MD 6.8 mi
21779 Rohrersville, MD 7.0 mi
21769 Middletown, MD 7.8 mi
21721 Chewsville, MD 8.3 mi

Find every ZIP code within 10 miles of 21713 →

Questions about this ZIP code

Where is ZIP code 21713?

21713 is in Boonsboro, Maryland, in Washington County, part of the Hagerstown-Martinsburg, MD-WV metropolitan area. Its published point location is 39.5251, -77.6697.

What county is 21713 in?

21713 lies in Washington County.

What area code is 21713?

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

What time zone is 21713 in?

21713 uses America/New_York.

How many people live in 21713?

About 9,846 people live in ZIP code 21713, in 3,899 households, at 248.9 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 21713?

$96,199 a year, against $103,678 across Maryland.

What ZIP codes are near 21713?

The closest are 21746 (3.7 mi), 21756 (4.7 mi), 21733 (5 mi), 21781 (5.8 mi) and 21734 (5.9 mi).

Is 21713 a PO Box ZIP code?

21713 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21713 ZIP Code — Boonsboro, Maryland (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21713

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