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zipcodes.pro — ZIP/21643

21643

ZIP 21643 is Hurlock, Maryland, in Dorchester County; area codes 667 and 410; Eastern time.

Type
Standard
Time zone
America/New_York
County
Dorchester
Metro area
Cambridge, MD
Population
5,392
Coordinates
38.6456, -75.8699
☼ Live from 21643 — Hurlock, MD

Weather right now

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Local time: —

Where 21643 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 21643
  • 🔢 Type 21643 into a pocket calculator and turn it upside down: EhgIZ — not quite a word, sorry.
  • ➕ As a number, 21,643 = 23 × 941. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010010001011
  • 🏠 Its numerical neighbours: 21641 (Hillsboro, MD, 19 mi away) and 21644 (Ingleside, MD, 33 mi away).
  • 🔄 Backwards, 21643 becomes 34612, which is not a ZIP code at all.
  • 👥 60 other ZIP codes are made of exactly the same digits (12436, 12463, 13426, 13624, 13642, 14263, …). The farthest-flung twin is 64132 in Kansas City, MO, 1,004 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther east than 85%.
  • 🎯1,215 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21643 and you would come out at 38.65°S, 104.13°E — 806 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 46.2 square miles of land, 21643 is bigger than 57% of ZIP codes — room for about 35 Central Parks.
🌙 The sky over 21643 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,392This ZIP5,392
Households2,067This ZIP2,067
Housing units2,326This ZIP2,326
Median age39.8This ZIP39.8Maryland39.4US 38.9
Median household income$67,219This ZIP$67,219Maryland$103,678US $80,734
Median home value$230,000This ZIP$230,000Maryland$419,900US $332,700
Median gross rent$909This ZIP$909Maryland$1,705US $1,413
Bachelor's degree or higher14.0%This ZIP14.0%
Mean commute29.3 minThis ZIP29.3 min
Population density116.8 / sq miThis ZIP116.8 / sq mi

Business and tax activity

Business establishments69This ZIP69
Employees2,372This ZIP2,372
Annual payroll$116,800,000This ZIP$116,800,000
Tax returns filed2,890This ZIP2,890
Total adjusted gross income$164,993,000This ZIP$164,993,000

Land area

Land area46.18 sq miThis ZIP46.18 sq mi
Water area2.35 sq miThis ZIP2.35 sq mi

Other place names in 21643

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

ZIP codes near 21643

ZIPCityDistance
21664 Secretary, MD 4.9 mi
21631 East New Market, MD 5.7 mi
21659 Rhodesdale, MD 6.1 mi
21655 Preston, MD 7.2 mi
21632 Federalsburg, MD 7.9 mi
21609 Bethlehem, MD 8.1 mi
21835 Linkwood, MD 8.5 mi
21673 Trappe, MD 9.4 mi
21861 Sharptown, MD 10.8 mi
19973 Seaford, DE 13.3 mi

Find every ZIP code within 10 miles of 21643 →

Questions about this ZIP code

Where is ZIP code 21643?

21643 is in Hurlock, Maryland, in Dorchester County, part of the Cambridge, MD micropolitan area. Its published point location is 38.6456, -75.8699.

What county is 21643 in?

21643 lies in Dorchester County.

What area code is 21643?

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

What time zone is 21643 in?

21643 uses America/New_York.

How many people live in 21643?

About 5,392 people live in ZIP code 21643, in 2,067 households, at 116.8 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 21643?

$67,219 a year, against $103,678 across Maryland.

What ZIP codes are near 21643?

The closest are 21664 (4.9 mi), 21631 (5.7 mi), 21659 (6.1 mi), 21655 (7.2 mi) and 21632 (7.9 mi).

Is 21643 a PO Box ZIP code?

21643 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21643 ZIP Code — Hurlock, Maryland (Dorchester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21643

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