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20818 ZIP Code

ZIP Code: 20818 Cabin John

Extra Details of ZIP Code 20818

ZIP Code 20818
Zip Code Type Standard
State Maryland - MD
Official Zip Code Name Cabin John
Primary County Montgomery
Area Code (s) 301
Racial Majority White 86.86%
Elevation Range 0-0 Feet

Data: State Statistics Office | Updated on: Apr 14, 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

2,072

Unemployment Rate
0.8%
Poverty Rate
1.1%
Non-Citizens
2.2%

Location of Zip Code 20818

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

Gender & Age Statistics

Gender

  • Male
    40%
  • Female
    60%

Age

  • <10 years
    10%
  • 10-17 years
    15%
  • 18-34 years
    12%
  • 35-64 years
    38%
  • 65+ years
    25%

20818 Demographics

Racial Diversity

  • White
    77%
  • African American
    3%
  • Hispanic
    5%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    13%

Education Levels

  • Master's degree or above
    63%
  • Bachelor's degree
    27%
  • Some college or associate degree
    10%
  • High school diploma or vocational degree
    0%
  • Less than high school diploma
    1%

20818 Income

Median Household Income

$181,471

National $64,994

Household Income Brackets

  • <$30k
    4%
  • $30-$44k
    3%
  • $45-$84k
    15%
  • $85-$149k
    19%
  • $150k+
    59%

Median Individual Income

$76,300

National $32,197

Individual Income Brackets

  • <$20k
    18%
  • $20-$34k
    11%
  • $35-$74k
    58%
  • $75k+
    13%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Cabin John, 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!

Skinsational Scents
8600 Foundry St, Savage, 20763

Arbutus Locksmith
24 Colony Hill Ct, Arbutus, 21227

Trollinger Law LLC
11705 Berry Rd #201, Waldorf, 20603

Angela Singleton Photography
6120 Rolling View Drive, Sykesville, 21784

KazaamSEO
3536 Manorwood Dr, Hyattsville, 20782

The Canton Group, LLC
2920 O’Donnell Street, Baltimore, 21224

Maurice Electrical Supply Inc
12200 Old Baltimore Pike, Beltsville, 20705

Mosquito Authority – Greater Maryland & DC Metro
19745 Greenside Terrace, Montgomery Village, 20886

Schools Serving Cabin John

Library Cabin John

Museum Cabin John

Hospital Cabin John

University Cabin John