21054
ZIP 21054 is Gambrills, Maryland, in Anne Arundel County; area codes 667, 410 and 443; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Anne Arundel
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 16,386
- Coordinates
- 39.0556, -76.6905
Weather right now
Asking the National Weather Service…
Where 21054 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 21054 into a pocket calculator and turn it upside down: hSOIZ — not quite a word, sorry.
- ➕ As a number, 21,054 = 2 × 3 × 11 × 11 × 29. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001000111110 - 🏠 Its numerical neighbours: 21053 (Freeland, MD, 44 mi away) and 21056 (Gibson Island, MD, 14 mi away).
- 🔄 Backwards, 21054 becomes 45012 — and that is a real ZIP code: Hamilton, OH, 423 miles away.
- 👥 73 other ZIP codes are made of exactly the same digits (01245, 01254, 01452, 01524, 01542, 02145, …). The farthest-flung twin is 51240 in Inwood, IA, 1,066 miles away.
- 🧭 Farther south than 50% of all ZIP codes, and farther east than 83%.
- 🎯1,166 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21054 and you would come out at 39.06°S, 103.31°E — 859 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
- 📏 At 15.9 square miles of land, 21054 is bigger than 34% of ZIP codes — room for about 12 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 16,386This ZIP16,386 |
|---|---|
| Households | 5,497This ZIP5,497 |
| Housing units | 5,534This ZIP5,534 |
| Median age | 40.9This ZIP40.9Maryland39.4US 38.9 |
| Median household income | $163,825This ZIP$163,825Maryland$103,678US $80,734 |
| Median home value | $611,000This ZIP$611,000Maryland$419,900US $332,700 |
| Median gross rent | $2,444This ZIP$2,444Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 61.2%This ZIP61.2% |
| Mean commute | 27.5 minThis ZIP27.5 min |
| Population density | 1,029.7 / sq miThis ZIP1,029.7 / sq mi |
Business and tax activity
| Business establishments | 529This ZIP529 |
|---|---|
| Employees | 8,593This ZIP8,593 |
| Annual payroll | $394,915,000This ZIP$394,915,000 |
| Tax returns filed | 6,980This ZIP6,980 |
| Total adjusted gross income | $973,863,000This ZIP$973,863,000 |
Land area
| Land area | 15.91 sq miThis ZIP15.91 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 21054
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21054
| ZIP | City | Distance |
|---|---|---|
21113 | Odenton, MD | 1.3 mi |
21114 | Crofton, MD | 3.2 mi |
20755 | Fort George G Meade, MD | 4.2 mi |
21108 | Millersville, MD | 4.4 mi |
21144 | Severn, MD | 4.5 mi |
21032 | Crownsville, MD | 5.0 mi |
20715 | Bowie, MD | 5.4 mi |
20724 | Laurel, MD | 5.6 mi |
20720 | Bowie, MD | 6.4 mi |
21077 | Harmans, MD | 7.1 mi |
Find every ZIP code within 10 miles of 21054 →
Questions about this ZIP code
Where is ZIP code 21054?
21054 is in Gambrills, Maryland, in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.0556, -76.6905.
What county is 21054 in?
21054 lies in Anne Arundel County.
What area code is 21054?
Gambrills uses area codes 667, 410 and 443, from NANPA's telephone records.
What time zone is 21054 in?
21054 uses America/New_York.
How many people live in 21054?
About 16,386 people live in ZIP code 21054, in 5,497 households, at 1,029.7 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 21054?
$163,825 a year, against $103,678 across Maryland.
What ZIP codes are near 21054?
The closest are 21113 (1.3 mi), 21114 (3.2 mi), 20755 (4.2 mi), 21108 (4.4 mi) and 21144 (4.5 mi).
Is 21054 a PO Box ZIP code?
21054 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21054 ZIP Code — Gambrills, Maryland (Anne Arundel County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21054
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21054.json Underlying data is public domain or openly licensed — sources, vintages and licences.