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ZIP CODE TABULATION AREA

21140

Maryland · 4,417 residents · 1.42 sq mi
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ZIP 21140 is home to 4,417 people in Anne Arundel County. 99% of homes are owner-occupied. The median household earns $170,156, about 107% above the national median. The typical home is worth $634,700. This is an unusually credentialed place: 49% of adults have a four-year degree. Households here earn about 36% more than in Anne Arundel County as a whole. Among the 35 ZIP codes in Anne Arundel County, 21140 ranks 7th by median household income.

$170,156
US average: $82,259
$75,559
US average: $44,673
$634,700
US average: $376,019
49.3%
US average: 35.6%
Land area
1.42 sq mi
Age, sex & households
Under 18
25.9%
Age 65+
24.0%
51.9%
48.1%
2.95 people
Race & ethnicity · 2024
2024
White, non-Hispanic86.7%(3,829)
Black0.9%(39)
Hispanic / Latino9%(399)
Asian0.8%(35)
Other2.6%(115)
30
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
LOWEST7TH 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 21140?

ZIP code 21140 has about 4,417 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21140?

The typical household in ZIP code 21140 earns about $170,156 a year. Half of households make more than that, and half make less.

Is ZIP code 21140 expensive?

In ZIP code 21140, the median home is worth about $634,700.

How educated are people in ZIP code 21140?

About 49.3% of adults age 25 and over in ZIP code 21140 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21140?

About 1.3% of people in ZIP code 21140 live below the federal poverty line.

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