Gibson Island, MD ZIP code
The ZIP code for Gibson Island, Maryland is 21056. It is in Anne Arundel County.
- Population in these ZIPs
- 291
- Avg. median income
- $250,000population-weighted
- Typical home value
- $3,109,800population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
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Gibson Island, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21056 | 291 | $250,001 | $3,109,800 |
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 Gibson Island
- Arnold 4 mi
- Pasadena 6 mi
- Severna Park 7 mi
- Annapolis 8 mi
- Fort Howard 9 mi
- Glen Burnie 9 mi
- Crownsville 10 mi
- Millersville 10 mi
- Sparrows Point 10 mi
- Stevensville 11 mi
- Curtis Bay 11 mi
- Rock Hall 12 mi
Frequently asked questions
What is the ZIP code for Gibson Island, MD?
The ZIP code for Gibson Island, MD is 21056.
What county is Gibson Island, Maryland in?
Gibson Island ZIP codes are in Anne Arundel County.