CensusEasy
ZIP CODE TABULATION AREA

20866

Maryland · 15,986 residents · 7.027 sq mi
Compare

ZIP 20866 is significantly wealthier than the US average, with a median household income of $140,308. Population has held roughly steady since 2024. 45% of adults hold a bachelor's degree or higher. Median home value is $446,900. Poverty is rare here, at 5.6% of residents. Among the 44 ZIP codes in Montgomery County, 20866 ranks 27th by median household income.

$140,308
US average: $82,259
$446,900
US average: $376,019
45.1%
US average: 35.6%
Age, sex & households
Under 18
20.7%
Age 65+
17.1%
49.3%
50.7%
3.15 people
Race & ethnicity · 2024
2024
White, non-Hispanic15.3%(2,441)
Black43.9%(7,023)
Hispanic / Latino17.3%(2,762)
Asian17.9%(2,858)
Other5.6%(902)
Diversity Score89.8%(14,361)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Montgomery County
Income rank vs other ZIPs
LOWEST27TH 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 20866?

ZIP code 20866 has about 15,986 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20866?

The typical household in ZIP code 20866 earns about $140,308 a year. Half of households make more than that, and half make less.

Is ZIP code 20866 expensive?

In ZIP code 20866, the median home is worth about $446,900, and the typical rent is about $2,285 a month.

How educated are people in ZIP code 20866?

About 45.1% of adults age 25 and over in ZIP code 20866 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20866?

About 5.6% of people in ZIP code 20866 live below the federal poverty line.

Keep going

Explore from here

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