ZIP code 21234
Where is ZIP code 21234?
Parkville, Maryland
Baltimore County · Standard ZIP code
ZIP code 21234 belongs to Parkville, Maryland in Baltimore County. 21234 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 66,334 people live in the 21234 area, where the median household income is $83,517. The closest ZIP codes are 21286 (Towson, 2.6 mi northwest), 21214 (Baltimore, 2.7 mi southwest) and 21236 (Nottingham, 2.9 mi east).
| ZIP code | 21234 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Parkville |
| Also accepted | Baltimore |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.3876, -76.5418 map |
| 3-digit prefix | 212 |
Population and income in 21234
| Population | 66,334 · higher than 100% of Maryland ZIP codes |
|---|---|
| People per square mile | 4,967 · higher than 90% of Maryland ZIP codes |
| Median age | 40.5 years · lower than 60% of Maryland ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $83,517 · lower than 72% of Maryland ZIP codes |
| Income per person | $44,405 |
| Below the poverty line | 8.4% |
| Bachelor’s degree or higher | 36% of adults 25+ |
| Median home value | $288,100 · lower than 79% of Maryland ZIP codes |
| Median rent | $1,587 a month |
| Housing units | 29,649 |
| Households | 27,639 (2.38 people on average) |
| Owners / renters | 65% / 36% |
| Land area | 13.35 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21234. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21234
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21286 | Towson, MD | 2.6 mi NW | Standard |
| 21214 | Baltimore, MD | 2.7 mi SW | Standard |
| 21236 | Nottingham, MD | 2.9 mi E | Standard |
| 21239 | Baltimore, MD | 3.1 mi SW | Standard |
| 21252 | Towson, MD | 3.3 mi W | Unique |
| 21284 | Towson, MD | 3.3 mi W | PO Box only |
| 21285 | Towson, MD | 3.3 mi W | PO Box only |
| 21206 | Baltimore, MD | 3.5 mi S | Standard |
| 21204 | Towson, MD | 3.6 mi W | Standard |
| 21251 | Baltimore, MD | 3.8 mi SW | Unique |
| 21212 | Baltimore, MD | 4 mi SW | Standard |
| 21237 | Rosedale, MD | 4.2 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21234 or measure the distance to another ZIP code.
How to address mail to 21234
123 MAIN ST
PARKVILLE MD 21234
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts BALTIMORE as the city name for 21234. Adding the 4-digit ZIP+4 code (21234-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21234?
- 21234 is a Parkville, Maryland ZIP code. Baltimore is also accepted as the city name.
- What county is 21234 in?
- ZIP code 21234 is in Baltimore County, Maryland.
- What time zone is ZIP code 21234 in?
- 21234 is in the Eastern Time zone (America/New_York).
- What area code is 21234?
- Phone numbers in ZIP code 21234 use area codes 410, 443 and 667.
- What is the population of ZIP code 21234?
- About 66,334 people live in ZIP code 21234, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21234?
- The median household income in 21234 is $83,517 a year, lower than 72% of Maryland ZIP codes.
- What ZIP codes are near 21234?
- The nearest ZIP codes to 21234 are 21286 (Towson, 2.6 miles), 21214 (Baltimore, 2.7 miles), 21236 (Nottingham, 2.9 miles) and 21239 (Baltimore, 3.1 miles).