21215
ZIP 21215 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
- 52,229
- Coordinates
- 39.3459, -76.6822
Weather right now
Asking the National Weather Service…
Where 21215 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 21215 into a pocket calculator and turn it upside down: SIZIZ — not quite a word, sorry.
- ➕ As a number, 21,215 = 5 × 4243. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001011011111 - 🏠 Its numerical neighbours: 21214 (Baltimore, MD, 6 mi away) and 21216 (Baltimore, MD, 3 mi away).
- 🔄 Backwards, 21215 becomes 51212, which is not a ZIP code at all.
- 👥 17 other ZIP codes are made of exactly the same digits (11225, 11252, 12125, 12512, 12521, 15122, …). The farthest-flung twin is 52211 in Brooklyn, IA, 843 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 83%.
- 🎯1,164 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21215 and you would come out at 39.35°S, 103.32°E — 869 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
- 📏 At 6.8 square miles of land, 21215 is bigger than 22% of ZIP codes — room for about 5.2 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 52,229This ZIP52,229 |
|---|---|
| Households | 21,740This ZIP21,740 |
| Housing units | 25,215This ZIP25,215 |
| Median age | 41.2This ZIP41.2Maryland39.4US 38.9 |
| Median household income | $51,587This ZIP$51,587Maryland$103,678US $80,734 |
| Median home value | $201,200This ZIP$201,200Maryland$419,900US $332,700 |
| Median gross rent | $1,172This ZIP$1,172Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 26.0%This ZIP26.0% |
| Mean commute | 28.5 minThis ZIP28.5 min |
| Population density | 7,667.2 / sq miThis ZIP7,667.2 / sq mi |
Business and tax activity
| Business establishments | 934This ZIP934 |
|---|---|
| Employees | 16,859This ZIP16,859 |
| Annual payroll | $1,045,140,000This ZIP$1,045,140,000 |
| Tax returns filed | 22,030This ZIP22,030 |
| Total adjusted gross income | $1,060,200,000This ZIP$1,060,200,000 |
Land area
| Land area | 6.81 sq miThis ZIP6.81 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Counties 21215 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 | 96.5% |
| Baltimore County | 3.5% |
Other place names in 21215
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21215
| ZIP | City | Distance |
|---|---|---|
21209 | Baltimore, MD | 2.3 mi |
21207 | Gwynn Oak, MD | 2.5 mi |
21216 | Baltimore, MD | 2.5 mi |
21211 | Baltimore, MD | 2.6 mi |
21210 | Baltimore, MD | 2.6 mi |
21282 | Pikesville, MD | 2.9 mi |
21208 | Pikesville, MD | 3.5 mi |
21217 | Baltimore, MD | 3.6 mi |
21022 | Brooklandville, MD | 3.6 mi |
21212 | Baltimore, MD | 3.9 mi |
Find every ZIP code within 10 miles of 21215 →
Questions about this ZIP code
Where is ZIP code 21215?
21215 is in Baltimore, Maryland, in Baltimore city, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.3459, -76.6822.
What county is 21215 in?
21215 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 21215?
Baltimore uses area codes 410, 443 and 667, from NANPA's telephone records.
What time zone is 21215 in?
21215 uses America/New_York.
How many people live in 21215?
About 52,229 people live in ZIP code 21215, in 21,740 households, at 7,667.2 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 21215?
$51,587 a year, against $103,678 across Maryland.
What ZIP codes are near 21215?
The closest are 21209 (2.3 mi), 21207 (2.5 mi), 21216 (2.5 mi), 21211 (2.6 mi) and 21210 (2.6 mi).
Is 21215 a PO Box ZIP code?
21215 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21215 ZIP Code — Baltimore, Maryland (Baltimore City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21215
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21215.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.