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ZIP CODE TABULATION AREA

21108

Maryland · 18,643 residents · 12.9 sq mi
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ZIP 21108 is home to 18,643 people in Anne Arundel County. 89% of homes are owner-occupied. This is an unusually credentialed place: 55% of adults have a four-year degree. The median household earns $151,324, about 84% above the national median. The typical home is worth $555,000. The poverty rate is 3.5%, under the national 12.5%. Among the 35 ZIP codes in Anne Arundel County, 21108 ranks 11th by median household income.

$151,324
US average: $82,259
$64,218
US average: $44,673
$555,000
US average: $376,019
55.3%
US average: 35.6%
Land area
12.9 sq mi
Age, sex & households
Under 18
23.3%
Age 65+
17.3%
47.7%
52.3%
2.79 people
Race & ethnicity · 2024
2024
White, non-Hispanic70.6%(13,168)
Black10.5%(1,962)
Hispanic / Latino7.8%(1,451)
Asian5.7%(1,070)
Other5.3%(992)
60
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.7
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
LOWEST11TH 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 21108?

ZIP code 21108 has about 18,643 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21108?

The typical household in ZIP code 21108 earns about $151,324 a year. Half of households make more than that, and half make less.

Is ZIP code 21108 expensive?

In ZIP code 21108, the median home is worth about $555,000, and the typical rent is about $2,049 a month.

How educated are people in ZIP code 21108?

About 55.3% of adults age 25 and over in ZIP code 21108 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21108?

About 3.5% of people in ZIP code 21108 live below the federal poverty line.

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