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ZIP CODE TABULATION AREA

21155

Maryland · 3,313 residents · 22.1 sq mi
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ZIP 21155 is a ZIP code of 3,313 people in Baltimore County. Owners hold 82% of the housing stock. This skews young, with a median age of 33.7. That is roughly 34% ahead of the Baltimore County median. The median household earns $123,158, about 50% above the national median. People stay put here: 97% were in the same home a year ago. Among the 38 ZIP codes in Baltimore County, 21155 ranks 15th by median household income.

$123,158
US average: $82,259
$49,882
US average: $44,673
$479,500
US average: $376,019
43.5%
US average: 35.6%
Land area
22.1 sq mi
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)
15
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.9
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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