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ZIP CODE TABULATION AREA

21204

Maryland · 19,845 residents · 6.262 sq mi
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ZIP 21204 is wealthier than most US places, with a median household income of $99,606. Population has held roughly steady since 2024. 73% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $594,800. At a median age of 34.8, residents skew younger than the country as a whole. Among the 38 ZIP codes in Baltimore County, 21204 ranks 21st by median household income.

$99,606
US average: $82,259
$594,800
US average: $376,019
73.1%
US average: 35.6%
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)
Diversity Score59.7%(11,855)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
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