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zipcodes.pro — ZIP/21842

21842

ZIP 21842 is in Ocean City, Maryland, in Worcester County; area codes 410, 443 and 667; Eastern time. Ocean City has 2 ZIP codes; the other is 21843.

Type
Standard
Time zone
America/New_York
County
Worcester
Metro area
Ocean Pines, MD
Population
11,226
Coordinates
38.3631, -75.0850
☼ Live from 21842 — Ocean City, MD

Weather right now

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Local time: —

Where 21842 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 21842
  • 🔢 Type 21842 into a pocket calculator and turn it upside down: ZhBIZ — not quite a word, sorry.
  • ➕ As a number, 21,842 = 2 × 67 × 163. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010101010010
  • 🏠 Its numerical neighbours: 21841 (Newark, MD, 14 mi away) and 21843 (Ocean City, MD, 2 mi away).
  • 🔄 Backwards, 21842 becomes 24812, which is not a ZIP code at all.
  • 👥 33 other ZIP codes are made of exactly the same digits (12248, 12428, 12482, 12824, 12842, 14228, …). The farthest-flung twin is 84122 in Salt Lake City, UT, 1,955 miles away.
  • 🧭 Farther south than 56% of all ZIP codes, and farther east than 87%.
  • 🎯1,260 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21842 and you would come out at 38.36°S, 104.91°E — 760 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 29m.
  • 📏 At 9.1 square miles of land, 21842 is bigger than 26% of ZIP codes — room for about 6.9 Central Parks.
🌙 The sky over 21842 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population11,226This ZIP11,226
Households5,751This ZIP5,751
Housing units32,621This ZIP32,621
Median age53.4This ZIP53.4Maryland39.4US 38.9
Median household income$79,876This ZIP$79,876Maryland$103,678US $80,734
Median home value$447,700This ZIP$447,700Maryland$419,900US $332,700
Median gross rent$1,394This ZIP$1,394Maryland$1,705US $1,413
Bachelor's degree or higher40.7%This ZIP40.7%
Mean commute19.6 minThis ZIP19.6 min
Population density1,239.8 / sq miThis ZIP1,239.8 / sq mi

Business and tax activity

Business establishments1,116This ZIP1,116
Employees9,768This ZIP9,768
Annual payroll$457,493,000This ZIP$457,493,000
Tax returns filed7,790This ZIP7,790
Total adjusted gross income$730,143,000This ZIP$730,143,000

Land area

Land area9.06 sq miThis ZIP9.06 sq mi
Water area12.26 sq miThis ZIP12.26 sq mi

Other place names in 21842

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

ZIP codes near 21842

ZIPCityDistance
21843 Ocean City, MD 1.8 mi
21813 Bishopville, MD 6.6 mi
21862 Showell, MD 7.3 mi
21811 Berlin, MD 8.0 mi
19944 Fenwick Island, DE 8.1 mi
19975 Selbyville, DE 8.7 mi
19945 Frankford, DE 12.1 mi
21872 Whaleyville, MD 12.1 mi
19967 Millville, DE 12.4 mi
19930 Bethany Beach, DE 13.1 mi

Find every ZIP code within 10 miles of 21842 →

Questions about this ZIP code

Where is ZIP code 21842?

21842 is in Ocean City, Maryland, in Worcester County, part of the Ocean Pines, MD micropolitan area. Its published point location is 38.3631, -75.0850.

What county is 21842 in?

21842 lies in Worcester County.

What area code is 21842?

Ocean City uses area codes 410, 443 and 667, from NANPA's telephone records.

What time zone is 21842 in?

21842 uses America/New_York.

How many people live in 21842?

About 11,226 people live in ZIP code 21842, in 5,751 households, at 1,239.8 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 21842?

$79,876 a year, against $103,678 across Maryland.

What ZIP codes are near 21842?

The closest are 21843 (1.8 mi), 21813 (6.6 mi), 21862 (7.3 mi), 21811 (8 mi) and 19944 (8.1 mi).

Is 21842 a PO Box ZIP code?

21842 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21842 ZIP Code — Ocean City, Maryland (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21842

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