Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Gibson Island, MD

Gibson Island, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21056P.O. BoxAnne Arundel267410 / 667

Timezone(s):Eastern (GMT -05:00)
Population:267 (More Details)
Male Population:132
Female Population:135
Median Age:57
ZIP Codes:1
Area Codes:2
Total Area:588 square miles (county)
Land Area:415 square miles (county)
Water Area:173 square miles (county)

Gibson Island, MD Demographic Information *

There is no Census data for the city of GIBSON ISLAND, MD. We have pulled information for the ZIP Code 21056 instead.
Total population267
Male population132
Female population135
Median age (years)56.8
White Population256
Black Population7
Indian Population2
Asian Population2
Hawaiian Population0
Hispanic Population6
Median age (Male)54.8
Median age (Female)58.1
Total households118
Family households (families)84
Average household size2.26
Average family size2.69
Total housing units230
* Demographic data is based on 2010 Census.

Gibson Island, MD Other Information

180 Cities within 30 miles of Gibson Island, MD Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],