21225
ZIP 21225 is Brooklyn, Maryland, mostly in Anne Arundel County; area codes 410, 443 and 667; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Anne Arundel +1 more
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 34,062
- Coordinates
- 39.2261, -76.6157
Weather right now
Asking the National Weather Service…
Where 21225 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 21225 into a pocket calculator and turn it upside down: SZZIZ — not quite a word, sorry.
- ➕ As a number, 21,225 = 3 × 5 × 5 × 283. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001011101001 - 🏠 Its numerical neighbours: 21224 (Baltimore, MD, 5 mi away) and 21226 (Curtis Bay, MD, 3 mi away).
- 🔄 Backwards, 21225 becomes 52212 — and that is a real ZIP code: Center Junction, IA, 783 miles away.
- 👥 11 other ZIP codes are made of exactly the same digits (12225, 12252, 12522, 15222, 21252, 21522, …). The farthest-flung twin is 52221 in Guernsey, IA, 842 miles away.
- 🧭 Farther north than 50% of all ZIP codes, and farther east than 83%.
- 🎯1,168 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21225 and you would come out at 39.23°S, 103.38°E — 861 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 6.5 square miles of land, 21225 is bigger than 22% of ZIP codes — room for about 4.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 34,062This ZIP34,062 |
|---|---|
| Households | 12,915This ZIP12,915 |
| Housing units | 14,321This ZIP14,321 |
| Median age | 34.2This ZIP34.2Maryland39.4US 38.9 |
| Median household income | $54,020This ZIP$54,020Maryland$103,678US $80,734 |
| Median home value | $229,000This ZIP$229,000Maryland$419,900US $332,700 |
| Median gross rent | $1,148This ZIP$1,148Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 15.9%This ZIP15.9% |
| Mean commute | 28.9 minThis ZIP28.9 min |
| Population density | 5,271.9 / sq miThis ZIP5,271.9 / sq mi |
Business and tax activity
| Business establishments | 389This ZIP389 |
|---|---|
| Employees | 6,117This ZIP6,117 |
| Annual payroll | $443,312,000This ZIP$443,312,000 |
| Tax returns filed | 14,850This ZIP14,850 |
| Total adjusted gross income | $640,483,000This ZIP$640,483,000 |
Land area
| Land area | 6.46 sq miThis ZIP6.46 sq mi |
|---|---|
| Water area | 0.24 sq miThis ZIP0.24 sq mi |
Counties 21225 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Anne Arundel County | 64.4% |
| Baltimore city | 35.6% |
Other place names in 21225
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21225
| ZIP | City | Distance |
|---|---|---|
21090 | Linthicum Heights, MD | 2.9 mi |
21230 | Baltimore, MD | 3.0 mi |
21226 | Curtis Bay, MD | 3.1 mi |
21227 | Halethorpe, MD | 3.5 mi |
21203 | Baltimore, MD | 4.1 mi |
21235 | Baltimore, MD | 4.1 mi |
21241 | Baltimore, MD | 4.1 mi |
21263 | Baltimore, MD | 4.1 mi |
21264 | Baltimore, MD | 4.1 mi |
21270 | Baltimore, MD | 4.1 mi |
Find every ZIP code within 10 miles of 21225 →
Questions about this ZIP code
Where is ZIP code 21225?
21225 is in Brooklyn, Maryland, in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.2261, -76.6157.
What county is 21225 in?
21225 spans 2 counties: Anne Arundel County and Baltimore city. Most of it falls in Anne Arundel County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 21225?
Brooklyn uses area codes 410, 443 and 667, from NANPA's telephone records.
What time zone is 21225 in?
21225 uses America/New_York.
How many people live in 21225?
About 34,062 people live in ZIP code 21225, in 12,915 households, at 5,271.9 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 21225?
$54,020 a year, against $103,678 across Maryland.
What ZIP codes are near 21225?
The closest are 21090 (2.9 mi), 21230 (3 mi), 21226 (3.1 mi), 21227 (3.5 mi) and 21203 (4.1 mi).
Is 21225 a PO Box ZIP code?
21225 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21225 ZIP Code — Brooklyn, Maryland (Anne Arundel County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21225
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21225.json Underlying data is public domain or openly licensed — sources, vintages and licences.