21250
ZIP 21250 is in Baltimore, Maryland, in Baltimore County; area codes 410, 443 and 667; Eastern time. Baltimore has 42 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Baltimore
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 2,834
- Coordinates
- 39.2556, -76.7112
Weather right now
Asking the National Weather Service…
Where 21250 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 21250 into a pocket calculator and turn it upside down: OSZIZ — not quite a word, sorry.
- ➕ As a number, 21,250 = 2 × 5 × 5 × 5 × 5 × 17. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001100000010 - 🏠 Its numerical neighbours: 21244 (Windsor Mill, MD, 7 mi away) and 21251 (Baltimore, MD, 10 mi away).
- 🔄 Backwards, 21250 becomes 05212, which is not a ZIP code at all.
- 👥 35 other ZIP codes are made of exactly the same digits (01225, 01252, 01522, 02125, 02152, 02215, …). The farthest-flung twin is 51022 in Granville, IA, 1,026 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 83%.
- 🎯1,163 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21250 and you would come out at 39.26°S, 103.29°E — 867 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 0.245 square miles of land, 21250 is bigger than 3% of ZIP codes — about 119 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,834This ZIP2,834 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Median age | 19.9This ZIP19.9Maryland39.4US 38.9 |
| Bachelor's degree or higher | 17.1%This ZIP17.1% |
| Mean commute | 16.8 minThis ZIP16.8 min |
| Population density | 11,567.3 / sq miThis ZIP11,567.3 / sq mi |
Business and tax activity
| Business establishments | 21This ZIP21 |
|---|---|
| Employees | 318This ZIP318 |
| Annual payroll | $5,225,000This ZIP$5,225,000 |
Land area
| Land area | 0.25 sq miThis ZIP0.25 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 21250
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21250
| ZIP | City | Distance |
|---|---|---|
21227 | Halethorpe, MD | 2.0 mi |
21229 | Baltimore, MD | 2.2 mi |
21228 | Catonsville, MD | 2.3 mi |
21223 | Baltimore, MD | 3.6 mi |
21090 | Linthicum Heights, MD | 4.0 mi |
21075 | Elkridge, MD | 4.2 mi |
21216 | Baltimore, MD | 4.3 mi |
21230 | Baltimore, MD | 4.6 mi |
21207 | Gwynn Oak, MD | 4.8 mi |
21043 | Ellicott City, MD | 4.8 mi |
Find every ZIP code within 10 miles of 21250 →
Questions about this ZIP code
Where is ZIP code 21250?
21250 is in Baltimore, Maryland, in Baltimore County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.2556, -76.7112.
What county is 21250 in?
21250 lies in Baltimore County.
What area code is 21250?
Baltimore uses area codes 410, 443 and 667, from NANPA's telephone records.
What time zone is 21250 in?
21250 uses America/New_York.
How many people live in 21250?
About 2,834 people live in ZIP code 21250, at 11,567.3 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 21250?
The closest are 21227 (2 mi), 21229 (2.2 mi), 21228 (2.3 mi), 21223 (3.6 mi) and 21090 (4 mi).
Is 21250 a PO Box ZIP code?
21250 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21250 ZIP Code — Baltimore, Maryland (Baltimore County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21250
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21250.json Underlying data is public domain or openly licensed — sources, vintages and licences.