Allen, MD ZIP code
The ZIP code for Allen, Maryland is 21810. It is in Wicomico County.
- Population in these ZIPs
- 55
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Salisbury, MD
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Allen, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21810 | 55 | — | — |
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 Allen
Frequently asked questions
What is the ZIP code for Allen, MD?
The ZIP code for Allen, MD is 21810.
What county is Allen, Maryland in?
Allen ZIP codes are in Wicomico County.