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ZIP CODE TABULATION AREA

20855

Maryland · 17,279 residents · 13.1 sq mi
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With 17,279 people, ZIP 20855 is a ZIP code in Montgomery County. This is an unusually credentialed place: 67% of adults have a four-year degree. Median household income runs $149,110, well clear of the $82,259 US median. 32% of residents were born outside the United States. The typical home is worth $640,300. Renters pay $2,413 a month at the median. Among the 44 ZIP codes in Montgomery County, 20855 ranks 23rd by median household income.

$149,110
US average: $82,259
$69,847
US average: $44,673
$640,300
US average: $376,019
66.8%
US average: 35.6%
Land area
13.1 sq mi
Age, sex & households
Under 18
20.7%
Age 65+
19.6%
47.0%
53.0%
2.67 people
Race & ethnicity · 2024
2024
White, non-Hispanic44.2%(7,642)
Black15.6%(2,695)
Hispanic / Latino11.7%(2,022)
Asian20.7%(3,581)
Other7.7%(1,339)
90
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.3
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Montgomery County
Income rank vs other ZIPs
LOWEST23RD OF 44HIGHEST
Adjacent ZIPs
20812$213,750
20814$150,996
20815$194,971
20816$232,656
Frequently asked

How many people live in ZIP code 20855?

ZIP code 20855 has about 17,279 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20855?

The typical household in ZIP code 20855 earns about $149,110 a year. Half of households make more than that, and half make less.

Is ZIP code 20855 expensive?

In ZIP code 20855, the median home is worth about $640,300, and the typical rent is about $2,413 a month.

How educated are people in ZIP code 20855?

About 66.8% of adults age 25 and over in ZIP code 20855 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20855?

About 5.2% of people in ZIP code 20855 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024