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ZIP CODE TABULATION AREA

21787

Maryland · 11,645 residents · 61.1 sq mi
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ZIP 21787 is a ZIP code of 11,645 people in Carroll County. 22% of adults hold a bachelor's degree, below the 36% national rate. Owners hold 78% of the housing stock. 4% of people in this ZIP code were born outside the United States. The average commute runs 35 minutes. Households here earn about 22% less than in Carroll County as a whole. Among the 9 ZIP codes in Carroll County, 21787 ranks 9th by median household income.

$91,682
US average: $82,259
$41,725
US average: $44,673
$355,000
US average: $376,019
22.2%
US average: 35.6%
Land area
61.1 sq mi
Age, sex & households
Under 18
23.5%
Age 65+
21.4%
47.5%
52.5%
2.60 people
Race & ethnicity · 2024
2024
White, non-Hispanic84%(9,783)
Black6.3%(738)
Hispanic / Latino5.7%(662)
Asian0.5%(57)
Other3.5%(405)
36
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.9
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Carroll County
Income rank vs other ZIPs
LOWEST9TH OF 9HIGHEST
Adjacent ZIPs
21048$131,921
21074$108,536
21102$135,069
21157$104,966
Frequently asked

How many people live in ZIP code 21787?

ZIP code 21787 has about 11,645 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21787?

The typical household in ZIP code 21787 earns about $91,682 a year. Half of households make more than that, and half make less.

Is ZIP code 21787 expensive?

In ZIP code 21787, the median home is worth about $355,000, and the typical rent is about $1,061 a month.

How educated are people in ZIP code 21787?

About 22.2% of adults age 25 and over in ZIP code 21787 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21787?

About 9.6% of people in ZIP code 21787 live below the federal poverty line.

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