Middle River ZIP code, Maryland
The ZIP code for Middle River, MD is 21220, and its area codes are 443, 667 and 410.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 3 more
- Population
- 31,712
- County
- Baltimore County
- State
- Maryland
NANPA lists no telephone rate centre for Middle River itself, so these are the area codes of the nearest one, Chase (1.8 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to Middle River uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
Middle River in numbers
About 31,712 people live in Middle River, in 12,531 households, the 38th-largest of Maryland's 527 census places. The median household income is $78,398 a year, 24% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $271,700 (35% below the Maryland median), and median gross rent is $1,636 a month. The median age is 37.2; 32.3% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 28 minutes.
| Population | 31,712 |
|---|---|
| Households | 12,531 |
| Median age | 37.2 |
| Median household income | $78,398 |
| Median home value | $271,700 |
| Median gross rent | $1,636 |
| Bachelor's degree or higher | 32.3% |
| Mean commute | 28.4 min |
| Population density | 2,486 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Middle River CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Middle River
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
21220 | Middle River , MD | Standard | 42,824 | $81,817 | $300,100 |
Other ZIP codes overlapping Middle River
These ZIP codes cover part of Middle River but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
21162 | White Marsh , MD | Standard | 4,639 | $157,813 | $451,600 |
21221 | Essex , MD | Standard | 43,487 | $67,340 | $271,500 |
21237 | Rosedale , MD | Standard | 31,425 | $91,693 | $295,600 |
Map of Middle River ZIP codes
The ZIP codes of Middle River, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Middle River
The nearest larger towns are Essex (40,580 people, 2.8 mi), Dundalk (65,969 people, 6.2 mi) and Baltimore (573,243 people, 10 mi).
| Town | Population | Distance |
|---|---|---|
| Essex | 40,580 | 2.8 mi |
| Rossville | 16,059 | 2.9 mi |
| Bowleys Quarters | 7,006 | 3.1 mi |
| White Marsh | 10,932 | 3.3 mi |
| Rosedale | 20,002 | 4.3 mi |
| Honeygo | 12,250 | 4.5 mi |
| Overlea | 13,035 | 5.0 mi |
| Perry Hall | 29,105 | 5.3 mi |
| Dundalk | 65,969 | 6.2 mi |
| Joppatowne | 14,237 | 6.7 mi |
| Carney | 28,343 | 6.8 mi |
| Parkville | 30,549 | 7.2 mi |
| Kingsville | 4,687 | 7.8 mi |
| Edgemere | 9,061 | 8.3 mi |
More nearby: every ZIP code in Baltimore County · Maryland ZIP codes
Cite this page
zipcodes.pro. “Middle River, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/middle-river
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