21224
ZIP 21224 is in Baltimore, Maryland, mostly in Baltimore City; area codes 410, 443 and 667; Eastern time. Baltimore has 42 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Baltimore city +1 more
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 47,465
- Coordinates
- 39.2759, -76.5419
Weather right now
Asking the National Weather Service…
Where 21224 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 21224 into a pocket calculator and turn it upside down: hZZIZ — not quite a word, sorry.
- ➕ As a number, 21,224 = 2 × 2 × 2 × 7 × 379. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001011101000 - 🏠 Its numerical neighbours: 21223 (Baltimore, MD, 6 mi away) and 21225 (Brooklyn, MD, 5 mi away).
- 🔄 Backwards, 21224 becomes 42212, which is not a ZIP code at all.
- 👥 14 other ZIP codes are made of exactly the same digits (12224, 12242, 12422, 14222, 22124, 22214, …). The farthest-flung twin is 42221 in Fairview, KY, 609 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 83%.
- 🎯1,172 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21224 and you would come out at 39.28°S, 103.46°E — 860 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 9.3 square miles of land, 21224 is bigger than 26% of ZIP codes — room for about 7.1 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 47,465This ZIP47,465 |
|---|---|
| Households | 20,962This ZIP20,962 |
| Housing units | 23,547This ZIP23,547 |
| Median age | 34.3This ZIP34.3Maryland39.4US 38.9 |
| Median household income | $89,017This ZIP$89,017Maryland$103,678US $80,734 |
| Median home value | $295,200This ZIP$295,200Maryland$419,900US $332,700 |
| Median gross rent | $1,778This ZIP$1,778Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 48.6%This ZIP48.6% |
| Mean commute | 28.6 minThis ZIP28.6 min |
| Population density | 5,089.5 / sq miThis ZIP5,089.5 / sq mi |
Business and tax activity
| Business establishments | 1,518This ZIP1,518 |
|---|---|
| Employees | 40,767This ZIP40,767 |
| Annual payroll | $2,352,286,000This ZIP$2,352,286,000 |
| Tax returns filed | 27,080This ZIP27,080 |
| Total adjusted gross income | $1,940,163,000This ZIP$1,940,163,000 |
Land area
| Land area | 9.33 sq miThis ZIP9.33 sq mi |
|---|---|
| Water area | 3.42 sq miThis ZIP3.42 sq mi |
Counties 21224 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Baltimore city | 72.6% |
| Baltimore County | 27.4% |
Other place names in 21224
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21224
| ZIP | City | Distance |
|---|---|---|
21205 | Baltimore, MD | 2.2 mi |
21222 | Dundalk, MD | 2.6 mi |
21231 | Baltimore, MD | 2.8 mi |
21287 | Baltimore, MD | 3.0 mi |
21213 | Baltimore, MD | 3.3 mi |
21233 | Baltimore, MD | 3.6 mi |
21202 | Baltimore, MD | 3.8 mi |
21203 | Baltimore, MD | 4.2 mi |
21235 | Baltimore, MD | 4.2 mi |
21241 | Baltimore, MD | 4.2 mi |
Find every ZIP code within 10 miles of 21224 →
Questions about this ZIP code
Where is ZIP code 21224?
21224 is in Baltimore, Maryland, in Baltimore city, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.2759, -76.5419.
What county is 21224 in?
21224 spans 2 counties: Baltimore city and Baltimore County. Most of it falls in Baltimore city, 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 21224?
Baltimore uses area codes 410, 443 and 667, from NANPA's telephone records.
What time zone is 21224 in?
21224 uses America/New_York.
How many people live in 21224?
About 47,465 people live in ZIP code 21224, in 20,962 households, at 5,089.5 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 21224?
$89,017 a year, against $103,678 across Maryland.
What ZIP codes are near 21224?
The closest are 21205 (2.2 mi), 21222 (2.6 mi), 21231 (2.8 mi), 21287 (3 mi) and 21213 (3.3 mi).
Is 21224 a PO Box ZIP code?
21224 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21224 ZIP Code — Baltimore, Maryland (Baltimore City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21224
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21224.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.