21542
ZIP 21542 is Midland, Maryland, in Allegany County; area codes 240 and 301; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Allegany
- Metro area
- Cumberland, MD-WV
- Population
- 84
- Coordinates
- 39.5912, -78.9508
Weather right now
Asking the National Weather Service…
Where 21542 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.
- 🔢 Type 21542 into a pocket calculator and turn it upside down: ZhSIZ — not quite a word, sorry.
- ➕ As a number, 21,542 = 2 × 10771. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010000100110 - 🏠 Its numerical neighbours: 21541 (Mc Henry, MD, 23 mi away) and 21543 (Midlothian, MD, 4 mi away).
- 🔄 Backwards, 21542 becomes 24512, which is not a ZIP code at all.
- 👥 32 other ZIP codes are made of exactly the same digits (12245, 12452, 12524, 12542, 14225, 14522, …). The farthest-flung twin is 51242 in Lester, IA, 936 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 76%.
- 🎯1,041 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21542 and you would come out at 39.59°S, 101.05°E — 982 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 0.022 square miles of land, 21542 is bigger than 0% of ZIP codes — about 11 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 84This ZIP84 |
|---|---|
| Households | 34This ZIP34 |
| Housing units | 40This ZIP40 |
| Median age | 26.7This ZIP26.7Maryland39.4US 38.9 |
| Median home value | $103,100This ZIP$103,100Maryland$419,900US $332,700 |
| Bachelor's degree or higher | 0.0% |
| Population density | 3,818.2 / sq miThis ZIP3,818.2 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 12This ZIP12 |
| Annual payroll | $390,000This ZIP$390,000 |
Land area
| Land area | 0.02 sq miThis ZIP0.02 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 21542
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21542
| ZIP | City | Distance |
|---|---|---|
21539 | Lonaconing, MD | 3.1 mi |
21543 | Midlothian, MD | 3.7 mi |
21532 | Frostburg, MD | 4.4 mi |
21557 | Rawlings, MD | 4.9 mi |
21528 | Eckhart Mines, MD | 5.0 mi |
21505 | Cumberland, MD | 5.7 mi |
21556 | Pinto, MD | 5.8 mi |
21521 | Barton, MD | 5.8 mi |
21562 | Westernport, MD | 7.1 mi |
21545 | Mount Savage, MD | 9.3 mi |
Find every ZIP code within 10 miles of 21542 →
Questions about this ZIP code
Where is ZIP code 21542?
21542 is in Midland, Maryland, in Allegany County, part of the Cumberland, MD-WV micropolitan area. Its published point location is 39.5912, -78.9508.
What county is 21542 in?
21542 lies in Allegany County.
What area code is 21542?
Midland uses area codes 240 and 301, from NANPA's telephone records.
What time zone is 21542 in?
21542 uses America/New_York.
How many people live in 21542?
About 84 people live in ZIP code 21542, in 34 households, at 3,818.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 21542?
The closest are 21539 (3.1 mi), 21543 (3.7 mi), 21532 (4.4 mi), 21557 (4.9 mi) and 21528 (5 mi).
Is 21542 a PO Box ZIP code?
21542 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21542 ZIP Code — Midland, Maryland (Allegany County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21542
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21542.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.