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ZIP CODE TABULATION AREA

21155

Maryland · 3,313 residents · 22.125 sq mi
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ZIP 21155 is significantly wealthier than the US average, with a median household income of $123,158. Population has held roughly steady since 2024. Median home value is $479,500. At a median age of 33.7, residents skew younger than the country as a whole. Poverty is rare here, at 5.2% of residents. Households here earn about 34% more than the Baltimore County median. Among the 38 ZIP codes in Baltimore County, 21155 ranks 15th by median household income.

$123,158
US average: $82,259
$479,500
US average: $376,019
43.5%
US average: 35.6%
Age, sex & households
Under 18
27.4%
Age 65+
20.3%
52.2%
47.8%
3.21 people
Race & ethnicity · 2024
2024
White, non-Hispanic93.7%(3,105)
Black1.4%(46)
Hispanic / Latino2.5%(84)
Asian0.4%(14)
Other1.9%(64)
Diversity Score15%(499)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Baltimore County
Income rank vs other ZIPs
LOWEST15TH OF 38HIGHEST
Adjacent ZIPs
21013$171,354
21023$84,474
21030$89,015
Frequently asked

How many people live in ZIP code 21155?

ZIP code 21155 has about 3,313 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21155?

The typical household in ZIP code 21155 earns about $123,158 a year. Half of households make more than that, and half make less.

Is ZIP code 21155 expensive?

In ZIP code 21155, the median home is worth about $479,500, and the typical rent is about $1,513 a month.

How educated are people in ZIP code 21155?

About 43.5% of adults age 25 and over in ZIP code 21155 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21155?

About 5.2% of people in ZIP code 21155 live below the federal poverty line.

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