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zipcodes.pro — ZIP/21158

21158

ZIP 21158 is in Westminster, Maryland, in Carroll County; area codes 443, 410 and 667; Eastern time. Westminster has 2 ZIP codes; the other is 21157.

Type
Standard
Time zone
America/New_York
County
Carroll
Population
22,083
Coordinates
39.6537, -77.0351
☼ Live from 21158 — Westminster, MD

Weather right now

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Local time: —

Where 21158 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 21158
  • 🔢 Type 21158 into a pocket calculator and turn it upside down: BSIIZ — not quite a word, sorry.
  • ➕ As a number, 21,158 = 2 × 71 × 149. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101001010100110
  • 🏠 Its numerical neighbours: 21157 (Westminster, MD, 8 mi away) and 21160 (Whiteford, MD, 39 mi away).
  • 🔄 Backwards, 21158 becomes 85112, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (11582, 12158, 12185, 12518, 12581, 12815, …). The farthest-flung twin is 85121 in Bapchule, AZ, 1,978 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther east than 81%.
  • 🎯1,142 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21158 and you would come out at 39.65°S, 102.96°E — 896 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 22m.
  • 📏 At 73.3 square miles of land, 21158 is bigger than 70% of ZIP codes — room for about 56 Central Parks.
🌙 The sky over 21158 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22,083This ZIP22,083
Households8,451This ZIP8,451
Housing units8,768This ZIP8,768
Median age41.6This ZIP41.6Maryland39.4US 38.9
Median household income$109,827This ZIP$109,827Maryland$103,678US $80,734
Median home value$384,700This ZIP$384,700Maryland$419,900US $332,700
Median gross rent$1,794This ZIP$1,794Maryland$1,705US $1,413
Bachelor's degree or higher36.1%This ZIP36.1%
Mean commute36.4 minThis ZIP36.4 min
Population density301.2 / sq miThis ZIP301.2 / sq mi

Business and tax activity

Business establishments282This ZIP282
Employees2,752This ZIP2,752
Annual payroll$123,267,000This ZIP$123,267,000
Tax returns filed10,610This ZIP10,610
Total adjusted gross income$977,532,000This ZIP$977,532,000

Land area

Land area73.32 sq miThis ZIP73.32 sq mi
Water area0.22 sq miThis ZIP0.22 sq mi

Other place names in 21158

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

ZIP codes near 21158

ZIPCityDistance
21787 Taneytown, MD 7.5 mi
21157 Westminster, MD 7.8 mi
17340 Littlestown, PA 8.2 mi
17331 Hanover, PA 9.9 mi
21776 New Windsor, MD 10.0 mi
21102 Manchester, MD 10.3 mi
17344 Mc Sherrystown, PA 10.5 mi
17332 Hanover, PA 10.5 mi
17333 Hanover, PA 10.5 mi
21074 Hampstead, MD 10.6 mi

Find every ZIP code within 10 miles of 21158 →

Questions about this ZIP code

Where is ZIP code 21158?

21158 is in Westminster, Maryland, in Carroll County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.6537, -77.0351.

What county is 21158 in?

21158 lies in Carroll County.

What area code is 21158?

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

What time zone is 21158 in?

21158 uses America/New_York.

How many people live in 21158?

About 22,083 people live in ZIP code 21158, in 8,451 households, at 301.2 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 21158?

$109,827 a year, against $103,678 across Maryland.

What ZIP codes are near 21158?

The closest are 21787 (7.5 mi), 21157 (7.8 mi), 17340 (8.2 mi), 17331 (9.9 mi) and 21776 (10 mi).

Is 21158 a PO Box ZIP code?

21158 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21158 ZIP Code — Westminster, Maryland (Carroll County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21158

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