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zipcodes.pro — ZIP/21623

21623

ZIP 21623 is Church Hill, Maryland, in Queen Anne's County; area codes 667 and 410; Eastern time.

Type
Standard
Time zone
America/New_York
County
Queen Anne's
Population
2,669
Coordinates
39.1240, -75.9667
☼ Live from 21623 — Church Hill, MD

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Local time: —

Where 21623 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 21623
  • 🔢 Type 21623 into a pocket calculator and turn it upside down: EZgIZ — not quite a word, sorry.
  • ➕ As a number, 21,623 = 7 × 3089. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010001110111
  • 🏠 Its numerical neighbours: 21622 (Church Creek, MD, 50 mi away) and 21624 (Claiborne, MD, 26 mi away).
  • 🔄 Backwards, 21623 becomes 32612 — and that is a real ZIP code: Gainesville, FL, 749 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (12236, 13622, 16223, 16232, 16322, 21236, …). The farthest-flung twin is 62321 in Carthage, IL, 807 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 85%.
  • 🎯1,204 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21623 and you would come out at 39.12°S, 104.03°E — 828 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 36.3 square miles of land, 21623 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
🌙 The sky over 21623 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,669This ZIP2,669
Households893This ZIP893
Housing units939This ZIP939
Median age36.4This ZIP36.4Maryland39.4US 38.9
Median household income$78,345This ZIP$78,345Maryland$103,678US $80,734
Median home value$391,400This ZIP$391,400Maryland$419,900US $332,700
Median gross rent$1,233This ZIP$1,233Maryland$1,705US $1,413
Bachelor's degree or higher21.6%This ZIP21.6%
Mean commute36.2 minThis ZIP36.2 min
Population density73.6 / sq miThis ZIP73.6 / sq mi

Business and tax activity

Business establishments38This ZIP38
Employees183This ZIP183
Annual payroll$7,732,000This ZIP$7,732,000
Tax returns filed1,040This ZIP1,040
Total adjusted gross income$83,978,000This ZIP$83,978,000

Land area

Land area36.27 sq miThis ZIP36.27 sq mi
Water area0.74 sq miThis ZIP0.74 sq mi

Other place names in 21623

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

ZIP codes near 21623

ZIPCityDistance
21644 Ingleside, MD 5.0 mi
21607 Barclay, MD 6.0 mi
21617 Centreville, MD 6.6 mi
21668 Sudlersville, MD 7.7 mi
21628 Crumpton, MD 7.9 mi
21620 Chestertown, MD 8.5 mi
21640 Henderson, MD 8.7 mi
21656 Price, MD 9.1 mi
21690 Chestertown, MD 9.1 mi
21649 Marydel, MD 9.9 mi

Find every ZIP code within 10 miles of 21623 →

Questions about this ZIP code

Where is ZIP code 21623?

21623 is in Church Hill, Maryland, in Queen Anne's County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.1240, -75.9667.

What county is 21623 in?

21623 lies in Queen Anne's County.

What area code is 21623?

Church Hill uses area codes 667 and 410, from NANPA's telephone records.

What time zone is 21623 in?

21623 uses America/New_York.

How many people live in 21623?

About 2,669 people live in ZIP code 21623, in 893 households, at 73.6 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 21623?

$78,345 a year, against $103,678 across Maryland.

What ZIP codes are near 21623?

The closest are 21644 (5 mi), 21607 (6 mi), 21617 (6.6 mi), 21668 (7.7 mi) and 21628 (7.9 mi).

Is 21623 a PO Box ZIP code?

21623 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21623 ZIP Code — Church Hill, Maryland (Queen Anne's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21623

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