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ZIP CODE TABULATION AREA

21120

Maryland · 7,440 residents · 42.0 sq mi
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With 7,440 people, ZIP 21120 is a ZIP code in Baltimore County. This is an unusually credentialed place: 64% of adults have a four-year degree. Owners hold 94% of the housing stock. Households here earn about 77% more than in Baltimore County as a whole. Households take in $162,052 a year at the median, 97% more than the country as a whole. The typical home is worth $580,900. Among the 38 ZIP codes in Baltimore County, 21120 ranks 6th by median household income.

$162,052
US average: $82,259
$74,584
US average: $44,673
$580,900
US average: $376,019
64.2%
US average: 35.6%
Land area
42.0 sq mi
Age, sex & households
Under 18
27.1%
Age 65+
16.6%
50.2%
49.8%
2.85 people
Race & ethnicity · 2024
2024
White, non-Hispanic86.2%(6,414)
Black2%(148)
Hispanic / Latino4.5%(335)
Asian1.8%(135)
Other5.5%(408)
31
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.6
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
LOWEST6TH OF 38HIGHEST
Adjacent ZIPs
21013$171,354
21023$84,474
21030$89,015
Frequently asked

How many people live in ZIP code 21120?

ZIP code 21120 has about 7,440 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21120?

The typical household in ZIP code 21120 earns about $162,052 a year. Half of households make more than that, and half make less.

Is ZIP code 21120 expensive?

In ZIP code 21120, the median home is worth about $580,900, and the typical rent is about $1,271 a month.

How educated are people in ZIP code 21120?

About 64.2% of adults age 25 and over in ZIP code 21120 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21120?

About 2.8% of people in ZIP code 21120 live below the federal poverty line.

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