ZIP code 21209
Where is ZIP code 21209?
Baltimore, Maryland
Baltimore County · Standard ZIP code
ZIP code 21209 belongs to Baltimore, Maryland in Baltimore County. 21209 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 30,126 people live in the 21209 area, where the median household income is $91,437. The closest ZIP codes are 21022 (Brooklandville, 1.8 mi north), 21215 (Baltimore, 1.9 mi south) and 21282 (Pikesville, 2.6 mi west).
| ZIP code | 21209 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Baltimore |
| Also accepted | Mount Washington, Mt Washington |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.3716, -76.6744 map |
| 3-digit prefix | 212 |
Population and income in 21209
| Population | 30,126 · higher than 82% of Maryland ZIP codes |
|---|---|
| People per square mile | 4,665 · higher than 89% of Maryland ZIP codes |
| Median age | 35.6 years · lower than 86% of Maryland ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $91,437 · lower than 60% of Maryland ZIP codes |
| Income per person | $53,449 |
| Below the poverty line | 6.7% |
| Bachelor’s degree or higher | 61% of adults 25+ |
| Median home value | $440,800 · higher than 55% of Maryland ZIP codes |
| Median rent | $1,655 a month |
| Housing units | 12,071 |
| Households | 11,621 (2.58 people on average) |
| Owners / renters | 58% / 43% |
| Land area | 6.46 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21209. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21209
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21022 | Brooklandville, MD | 1.8 mi N | PO Box only |
| 21215 | Baltimore, MD | 1.9 mi S | Standard |
| 21282 | Pikesville, MD | 2.6 mi W | PO Box only |
| 21210 | Baltimore, MD | 2.7 mi SE | Standard |
| 21208 | Pikesville, MD | 2.9 mi W | Standard |
| 21139 | Riderwood, MD | 2.9 mi NE | PO Box only |
| 21153 | Stevenson, MD | 3.4 mi NW | PO Box only |
| 21212 | Baltimore, MD | 3.5 mi E | Standard |
| 21211 | Baltimore, MD | 3.5 mi SE | Standard |
| 21216 | Baltimore, MD | 4.3 mi S | Standard |
| 21207 | Gwynn Oak, MD | 4.3 mi SW | Standard |
| 21093 | Lutherville Timonium, MD | 4.4 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21209 or measure the distance to another ZIP code.
How to address mail to 21209
123 MAIN ST
BALTIMORE MD 21209
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MOUNT WASHINGTON and MT WASHINGTON as the city name for 21209. Adding the 4-digit ZIP+4 code (21209-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Baltimore, MD
- 21201
- 21202
- 21203
- 21205
- 21206
- 21210
- 21211
- 21212
- 21213
- 21214
- 21215
- 21216
- 21217
- 21218
- 21223
- 21224
- 21229
- 21230
- 21231
- 21233
- 21235
- 21239
- 21240
- 21241
- 21250
- 21251
- 21263
- 21264
- 21270
- 21273
- 21275
- 21278
- 21279
- 21281
- 21287
- 21289
- 21290
- 21297
- 21298
All Baltimore ZIP codes with population and income →
Questions
- What city is ZIP code 21209?
- 21209 is a Baltimore, Maryland ZIP code. Mount Washington and Mt Washington are also accepted as the city name.
- What county is 21209 in?
- ZIP code 21209 is in Baltimore County, Maryland.
- What time zone is ZIP code 21209 in?
- 21209 is in the Eastern Time zone (America/New_York).
- What area code is 21209?
- Phone numbers in ZIP code 21209 use area codes 410, 443 and 667.
- What is the population of ZIP code 21209?
- About 30,126 people live in ZIP code 21209, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21209?
- The median household income in 21209 is $91,437 a year, lower than 60% of Maryland ZIP codes.
- What ZIP codes are near 21209?
- The nearest ZIP codes to 21209 are 21022 (Brooklandville, 1.8 miles), 21215 (Baltimore, 1.9 miles), 21282 (Pikesville, 2.6 miles) and 21210 (Baltimore, 2.7 miles).