Middle River, MD ZIP code
The ZIP code for Middle River, Maryland is 21220. It is in Baltimore County.
- Population in these ZIPs
- 42,824
- Avg. median income
- $81,800population-weighted
- Typical home value
- $329,400population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
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Middle River, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21220 | 42,824 | $81,817 | $329,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Middle River
- White Marsh 3 mi
- Essex 4 mi
- Perry Hall 5 mi
- Rosedale 6 mi
- Nottingham 6 mi
- Upper Falls 6 mi
- Gunpowder 6 mi
- Joppa 7 mi
- Kingsville 7 mi
- Dundalk 8 mi
- Sparrows Point 8 mi
- Parkville 8 mi
Frequently asked questions
What is the ZIP code for Middle River, MD?
The ZIP code for Middle River, MD is 21220.
What county is Middle River, Maryland in?
Middle River ZIP codes are in Baltimore County.