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zipcodes.pro — ZIP/21727

21727

ZIP 21727 is Emmitsburg, Maryland, in Frederick County; area codes 240 and 301; Eastern time.

Type
Standard
Time zone
America/New_York
County
Frederick
Population
6,052
Coordinates
39.6886, -77.3293
☼ Live from 21727 — Emmitsburg, MD

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Local time: —

Where 21727 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 21727
  • 🔢 Type 21727 into a pocket calculator and turn it upside down: LZLIZ — not quite a word, sorry.
  • ➕ 21727 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010011011111
  • 🏠 Its numerical neighbours: 21723 (Cooksville, MD, 30 mi away) and 21733 (Fairplay, MD, 25 mi away).
  • 🔄 Backwards, 21727 becomes 72712 — and that is a real ZIP code: Bentonville, AR, 945 miles away.
  • 👥 14 other ZIP codes are made of exactly the same digits (12727, 17272, 27127, 27217, 27712, 71227, …). The farthest-flung twin is 77221 in Houston, TX, 1,229 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther east than 80%.
  • 🎯1,126 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21727 and you would come out at 39.69°S, 102.67°E — 910 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
  • 📏 At 31.3 square miles of land, 21727 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
🌙 The sky over 21727 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,052This ZIP6,052
Households1,673This ZIP1,673
Housing units1,808This ZIP1,808
Median age29.5This ZIP29.5Maryland39.4US 38.9
Median household income$95,236This ZIP$95,236Maryland$103,678US $80,734
Median home value$331,100This ZIP$331,100Maryland$419,900US $332,700
Median gross rent$775This ZIP$775Maryland$1,705US $1,413
Bachelor's degree or higher26.1%This ZIP26.1%
Mean commute30.4 minThis ZIP30.4 min
Population density193.1 / sq miThis ZIP193.1 / sq mi

Business and tax activity

Business establishments109This ZIP109
Employees2,484This ZIP2,484
Annual payroll$97,254,000This ZIP$97,254,000
Tax returns filed2,130This ZIP2,130
Total adjusted gross income$155,680,000This ZIP$155,680,000

Land area

Land area31.35 sq miThis ZIP31.35 sq mi
Water area0.20 sq miThis ZIP0.20 sq mi

Other place names in 21727

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

ZIP codes near 21727

ZIPCityDistance
21778 Rocky Ridge, MD 5.0 mi
17320 Fairfield, PA 6.4 mi
21757 Keymar, MD 7.6 mi
21780 Sabillasville, MD 7.7 mi
21788 Thurmont, MD 8.2 mi
21787 Taneytown, MD 8.4 mi
21759 Ladiesburg, MD 8.5 mi
17214 Blue Ridge Summit, PA 8.5 mi
21775 New Midway, MD 8.8 mi
21719 Cascade, MD 9.2 mi

Find every ZIP code within 10 miles of 21727 →

Questions about this ZIP code

Where is ZIP code 21727?

21727 is in Emmitsburg, Maryland, in Frederick County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.6886, -77.3293.

What county is 21727 in?

21727 lies in Frederick County.

What area code is 21727?

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

What time zone is 21727 in?

21727 uses America/New_York.

How many people live in 21727?

About 6,052 people live in ZIP code 21727, in 1,673 households, at 193.1 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 21727?

$95,236 a year, against $103,678 across Maryland.

What ZIP codes are near 21727?

The closest are 21778 (5 mi), 17320 (6.4 mi), 21757 (7.6 mi), 21780 (7.7 mi) and 21788 (8.2 mi).

Is 21727 a PO Box ZIP code?

21727 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21727 ZIP Code — Emmitsburg, Maryland (Frederick County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21727

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