ZIP code 21220
Where is ZIP code 21220?
Middle River, Maryland
Baltimore County · Standard ZIP code
ZIP code 21220 belongs to Middle River, Maryland in Baltimore County. 21220 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 42,824 people live in the 21220 area, where the median household income is $81,817. The closest ZIP codes are 21027 (Chase, 2.9 mi northeast), 21221 (Essex, 3 mi southwest) and 21162 (White Marsh, 3.6 mi north).
| ZIP code | 21220 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Middle River |
| Also accepted | Baltimore |
| State | Maryland (MD) |
| County | Baltimore County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 39.3401, -76.4153 map |
| 3-digit prefix | 212 |
Population and income in 21220
| Population | 42,824 · higher than 93% of Maryland ZIP codes |
|---|---|
| People per square mile | 2,022 · higher than 76% of Maryland ZIP codes |
| Median age | 37.7 years · lower than 74% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $81,817 · lower than 76% of Maryland ZIP codes |
| Income per person | $41,843 |
| Below the poverty line | 14% |
| Bachelor’s degree or higher | 30% of adults 25+ |
| Median home value | $300,100 · lower than 76% of Maryland ZIP codes |
| Median rent | $1,673 a month |
| Housing units | 17,918 |
| Households | 16,544 (2.58 people on average) |
| Owners / renters | 69% / 31% |
| Land area | 21.18 sq mi (plus 6.67 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21220. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21220
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21027 | Chase, MD | 2.9 mi NE | PO Box only |
| 21221 | Essex, MD | 3 mi SW | Standard |
| 21162 | White Marsh, MD | 3.6 mi N | Standard |
| 21237 | Rosedale, MD | 4.6 mi W | Standard |
| 21128 | Perry Hall, MD | 4.6 mi NW | Standard |
| 21236 | Nottingham, MD | 5.2 mi NW | Standard |
| 21222 | Dundalk, MD | 6.6 mi SW | Standard |
| 21085 | Joppa, MD | 6.7 mi NE | Standard |
| 21206 | Baltimore, MD | 6.7 mi W | Standard |
| 21156 | Upper Falls, MD | 6.8 mi N | Standard |
| 21234 | Parkville, MD | 7.5 mi NW | Standard |
| 21219 | Sparrows Point, MD | 7.8 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21220 or measure the distance to another ZIP code.
How to address mail to 21220
123 MAIN ST
MIDDLE RIVER MD 21220
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 21220. Adding the 4-digit ZIP+4 code (21220-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21220?
- 21220 is a Middle River, Maryland ZIP code. Baltimore is also accepted as the city name.
- What county is 21220 in?
- ZIP code 21220 is in Baltimore County, Maryland.
- What time zone is ZIP code 21220 in?
- 21220 is in the Eastern Time zone (America/New_York).
- What area code is 21220?
- Phone numbers in ZIP code 21220 use area codes 410, 443 and 667.
- What is the population of ZIP code 21220?
- About 42,824 people live in ZIP code 21220, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21220?
- The median household income in 21220 is $81,817 a year, lower than 76% of Maryland ZIP codes.
- What ZIP codes are near 21220?
- The nearest ZIP codes to 21220 are 21027 (Chase, 2.9 miles), 21221 (Essex, 3 miles), 21162 (White Marsh, 3.6 miles) and 21237 (Rosedale, 4.6 miles).