ZIP code 21221
Where is ZIP code 21221?
Essex, Maryland
Baltimore County · Standard ZIP code
ZIP code 21221 belongs to Essex, Maryland in Baltimore County. 21221 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 43,487 people live in the 21221 area, where the median household income is $67,340. The closest ZIP codes are 21220 (Middle River, 3 mi northeast), 21237 (Rosedale, 3.2 mi northwest) and 21222 (Dundalk, 3.7 mi southwest).
| ZIP code | 21221 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Essex |
| Also accepted | Baltimore |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.3086, -76.4533 map |
| 3-digit prefix | 212 |
Population and income in 21221
| Population | 43,487 · higher than 94% of Maryland ZIP codes |
|---|---|
| People per square mile | 2,893 · higher than 82% of Maryland ZIP codes |
| Median age | 42.4 years · higher than 53% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $67,340 · lower than 86% of Maryland ZIP codes |
| Income per person | $36,926 |
| Below the poverty line | 13% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $271,500 · lower than 81% of Maryland ZIP codes |
| Median rent | $1,310 a month |
| Housing units | 18,442 |
| Households | 17,286 (2.5 people on average) |
| Owners / renters | 63% / 38% |
| Land area | 15.03 sq mi (plus 6.3 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21221. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21221
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21220 | Middle River, MD | 3 mi NE | Standard |
| 21237 | Rosedale, MD | 3.2 mi NW | Standard |
| 21222 | Dundalk, MD | 3.7 mi SW | Standard |
| 21206 | Baltimore, MD | 5.1 mi W | Standard |
| 21219 | Sparrows Point, MD | 5.5 mi S | Standard |
| 21224 | Baltimore, MD | 5.7 mi W | Standard |
| 21027 | Chase, MD | 5.8 mi NE | PO Box only |
| 21236 | Nottingham, MD | 6 mi N | Standard |
| 21162 | White Marsh, MD | 6.2 mi N | Standard |
| 21128 | Perry Hall, MD | 6.4 mi N | Standard |
| 21214 | Baltimore, MD | 6.7 mi NW | Standard |
| 21205 | Baltimore, MD | 6.8 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21221 or measure the distance to another ZIP code.
How to address mail to 21221
123 MAIN ST
ESSEX MD 21221
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 21221. Adding the 4-digit ZIP+4 code (21221-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21221?
- 21221 is a Essex, Maryland ZIP code. Baltimore is also accepted as the city name.
- What county is 21221 in?
- ZIP code 21221 is in Baltimore County, Maryland.
- What time zone is ZIP code 21221 in?
- 21221 is in the Eastern Time zone (America/New_York).
- What area code is 21221?
- Phone numbers in ZIP code 21221 use area codes 410, 443 and 667.
- What is the population of ZIP code 21221?
- About 43,487 people live in ZIP code 21221, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21221?
- The median household income in 21221 is $67,340 a year, lower than 86% of Maryland ZIP codes.
- What ZIP codes are near 21221?
- The nearest ZIP codes to 21221 are 21220 (Middle River, 3 miles), 21237 (Rosedale, 3.2 miles), 21222 (Dundalk, 3.7 miles) and 21206 (Baltimore, 5.1 miles).