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ZIP CODE TABULATION AREA

21204

Maryland · 19,845 residents · 6.26 sq mi
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With 19,845 people, ZIP 21204 is a ZIP code in Baltimore County. 73% of adults hold a bachelor's degree, against 36% nationally. Owners hold 46% of the housing stock. Median home value sits at $594,800. The median age is 34.8, younger than the US median of 38.9. People stay put here: 77% were in the same home a year ago. Among the 38 ZIP codes in Baltimore County, 21204 ranks 21st by median household income.

$99,606
US average: $82,259
$67,450
US average: $44,673
$594,800
US average: $376,019
73.1%
US average: 35.6%
Land area
6.26 sq mi
Age, sex & households
Under 18
15.8%
Age 65+
20.5%
43.7%
56.3%
2.05 people
Race & ethnicity · 2024
2024
White, non-Hispanic70.2%(13,927)
Black14.9%(2,955)
Hispanic / Latino5%(984)
Asian4.9%(967)
Other5.1%(1,012)
60
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
6.0
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
LOWEST21ST OF 38HIGHEST
Adjacent ZIPs
21013$171,354
21023$84,474
21030$89,015
Frequently asked

How many people live in ZIP code 21204?

ZIP code 21204 has about 19,845 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21204?

The typical household in ZIP code 21204 earns about $99,606 a year. Half of households make more than that, and half make less.

Is ZIP code 21204 expensive?

In ZIP code 21204, the median home is worth about $594,800, and the typical rent is about $1,875 a month.

How educated are people in ZIP code 21204?

About 73.1% of adults age 25 and over in ZIP code 21204 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21204?

About 14.9% of people in ZIP code 21204 live below the federal poverty line.

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