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ZIP CODE TABULATION AREA

21403

Maryland · 32,681 residents · 9.27 sq mi
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With 32,681 people, ZIP 21403 is a ZIP code in Anne Arundel County. This is an unusually credentialed place: 56% of adults have a four-year degree. The median age is 45.3, about 6 years above the US median. The typical home is worth $582,500. Median household income runs $123,329, well clear of the $82,259 US median. Density works out to 3,526 people per square mile. Among the 35 ZIP codes in Anne Arundel County, 21403 ranks 26th by median household income.

$123,329
US average: $82,259
$78,015
US average: $44,673
$582,500
US average: $376,019
56.4%
US average: 35.6%
Land area
9.27 sq mi
Age, sex & households
Under 18
18.7%
Age 65+
22.2%
49.4%
50.6%
2.26 people
Race & ethnicity · 2024
2024
White, non-Hispanic65.1%(21,287)
Black11.5%(3,766)
Hispanic / Latino16.1%(5,265)
Asian1.5%(492)
Other5.7%(1,871)
67
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.7
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Anne Arundel County
Income rank vs other ZIPs
LOWEST26TH OF 35HIGHEST
Adjacent ZIPs
20711$113,576
20714$91,099
20724$118,115
20733$126,797
Frequently asked

How many people live in ZIP code 21403?

ZIP code 21403 has about 32,681 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21403?

The typical household in ZIP code 21403 earns about $123,329 a year. Half of households make more than that, and half make less.

Is ZIP code 21403 expensive?

In ZIP code 21403, the median home is worth about $582,500, and the typical rent is about $1,942 a month.

How educated are people in ZIP code 21403?

About 56.4% of adults age 25 and over in ZIP code 21403 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21403?

About 5.8% of people in ZIP code 21403 live below the federal poverty line.

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