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ZIP CODE TABULATION AREA

20905

Maryland · 19,004 residents · 11.8 sq mi
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ZIP 20905 is home to 19,004 people in Montgomery County. This is an unusually credentialed place: 57% of adults have a four-year degree. 87% of homes are owner-occupied. Households take in $159,740 a year at the median, 94% more than the country as a whole. The typical home is worth $656,700. The median age is 44.8, about 6 years above the US median. Among the 44 ZIP codes in Montgomery County, 20905 ranks 20th by median household income.

$159,740
US average: $82,259
$59,049
US average: $44,673
$656,700
US average: $376,019
56.9%
US average: 35.6%
Land area
11.8 sq mi
Age, sex & households
Under 18
22.8%
Age 65+
19.7%
51.2%
48.8%
3.22 people
Race & ethnicity · 2024
2024
White, non-Hispanic33.4%(6,348)
Black28.9%(5,483)
Hispanic / Latino16.2%(3,088)
Asian14.5%(2,752)
Other7%(1,333)
94
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.1
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
LOWEST20TH 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 20905?

ZIP code 20905 has about 19,004 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20905?

The typical household in ZIP code 20905 earns about $159,740 a year. Half of households make more than that, and half make less.

Is ZIP code 20905 expensive?

In ZIP code 20905, the median home is worth about $656,700, and the typical rent is about $2,105 a month.

How educated are people in ZIP code 20905?

About 56.9% of adults age 25 and over in ZIP code 20905 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20905?

About 5.7% of people in ZIP code 20905 live below the federal poverty line.

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