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21056 ZIP Code

ZIP Code: 21056 Gibson Island

Extra Details of ZIP Code 21056

ZIP Code 21056
Zip Code Type PO Box
State Maryland - MD
Official Zip Code Name Gibson Island
Primary County Anne Arundel
Area Code (s) 410
Racial Majority White 100%
Elevation Range 3 - 3 ft.

Data: State Statistics Office | Updated on: Oct 16, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

333

Unemployment Rate
0%
Poverty Rate
0%
Non-Citizens
0%

Location of Zip Code 21056

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    45%
  • Female
    55%

Age

  • <10 years
    0%
  • 10-17 years
    0%
  • 18-34 years
    14%
  • 35-64 years
    19%
  • 65+ years
    66%

21056 Demographics

Racial Diversity

  • White
    100%
  • African American
    0%
  • Hispanic
    0%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    0%

Education Levels

  • Master's degree or above
    9%
  • Bachelor's degree
    78%
  • Some college or associate degree
    13%
  • High school diploma or vocational degree
    0%
  • Less than high school diploma
    0%

21056 Income

Median Household Income

$250,001

National $64,994

Household Income Brackets

  • <$30k
    0%
  • $30-$44k
    8%
  • $45-$84k
    10%
  • $85-$149k
    0%
  • $150k+
    82%

Median Individual Income

$65,588

National $32,197

Individual Income Brackets

  • <$20k
    35%
  • $20-$34k
    10%
  • $35-$74k
    51%
  • $75k+
    4%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Gibson Island, MD. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

City To City Flat Rate Movers
5450 Addison Rd, Fairmount Heights, 20743

Mold Experts of Rockville
106 N Adams St, Rockville, 20850

Coloco
Maryland, Baltimore, MD, USA, 21836

Alan Brinsfield – Homespire Mortgage
111 S George St #3, Cumberland, 21502

M800 Limited
16000 Avery Rd, Rockville, 20855

Here & Now Movers
Golden Meadow Dr, Germantown, 20876

HipHopBling.com
PO Box 2332, Columbia, 21045

Fitness Machine Technicians
, Lutherville, 21093

Schools Serving Gibson Island

Library Gibson Island

Museum Gibson Island

Hancock's Resolution
Po Box 233 Gibson Island, MD 21056-0233

Gibson Island Historical Society
Po Box 85 Gibson Island, MD 21056

Hospital Gibson Island

University Gibson Island