Deal Island, MD ZIP code
The ZIP code for Deal Island, Maryland is 21821. It is in Somerset County.
- Population in these ZIPs
- 797
- Avg. median income
- $60,300population-weighted
- Typical home value
- $206,000population-weighted
- Metro area
- Salisbury, MD
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Deal Island, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21821 | 797 | $60,341 | $206,000 |
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 Deal Island
- Nanticoke 6 mi
- Upper Fairmount 8 mi
- Crocheron 8 mi
- Bivalve 9 mi
- Tyaskin 10 mi
- Toddville 10 mi
- Westover 11 mi
- Princess Anne 11 mi
- Wingate 13 mi
- Quantico 13 mi
- Crisfield 13 mi
- Marion Station 14 mi
Frequently asked questions
What is the ZIP code for Deal Island, MD?
The ZIP code for Deal Island, MD is 21821.
What county is Deal Island, Maryland in?
Deal Island ZIP codes are in Somerset County.