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ZIP CODE TABULATION AREA

21140

Maryland · 4,417 residents · 1.417 sq mi
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ZIP 21140 is significantly wealthier than the US average, with a median household income of $170,156. Population has held roughly steady since 2024. 49% of adults hold a bachelor's degree or higher. Median home value is $634,700. Poverty is rare here, at 1.3% of residents. Households here earn about 36% more than the Anne Arundel County median. Among the 35 ZIP codes in Anne Arundel County, 21140 ranks 7th by median household income.

$170,156
US average: $82,259
$634,700
US average: $376,019
49.3%
US average: 35.6%
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)
Diversity Score29.9%(1,323)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
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