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ZIP CODE TABULATION AREA

21237

Maryland · 31,425 residents · 11.3 sq mi
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ZIP 21237 is a ZIP code of 31,425 people in Baltimore County. 27% of adults hold a bachelor's degree or higher. There are 2,793 people per square mile. Poverty is uncommon here, at 8.1% of people in this ZIP code. Median home value sits at $295,600. Median household income runs $91,693, well clear of the $82,259 US median. Among the 38 ZIP codes in Baltimore County, 21237 ranks 24th by median household income.

$91,693
US average: $82,259
$42,796
US average: $44,673
$295,600
US average: $376,019
26.5%
US average: 35.6%
Land area
11.3 sq mi
Age, sex & households
Under 18
17.9%
Age 65+
18.9%
49.6%
50.4%
2.50 people
Race & ethnicity · 2024
2024
White, non-Hispanic39.9%(12,548)
Black41%(12,878)
Hispanic / Latino8%(2,503)
Asian6.5%(2,052)
Other4.6%(1,444)
82
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.2
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Baltimore County
Income rank vs other ZIPs
LOWEST24TH OF 38HIGHEST
Adjacent ZIPs
21013$171,354
21023$84,474
21030$89,015
Frequently asked

How many people live in ZIP code 21237?

ZIP code 21237 has about 31,425 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21237?

The typical household in ZIP code 21237 earns about $91,693 a year. Half of households make more than that, and half make less.

Is ZIP code 21237 expensive?

In ZIP code 21237, the median home is worth about $295,600, and the typical rent is about $1,606 a month.

How educated are people in ZIP code 21237?

About 26.5% of adults age 25 and over in ZIP code 21237 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21237?

About 8.1% of people in ZIP code 21237 live below the federal poverty line.

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