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ZIP CODE TABULATION AREA

21757

Maryland · 2,671 residents · 35.2 sq mi
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ZIP 21757 is a ZIP code of 2,671 people in Carroll County. 82% of homes are owner-occupied. The poverty rate is 1.7%, under the national 12.5%. The foreign-born share is 4%. About 30% of adults have finished a four-year degree. Density works out to 76 people per square mile. Among the 9 ZIP codes in Carroll County, 21757 ranks 8th by median household income.

$100,500
US average: $82,259
$46,390
US average: $44,673
$466,100
US average: $376,019
29.5%
US average: 35.6%
Land area
35.2 sq mi
Age, sex & households
Under 18
20.3%
Age 65+
18.9%
55.0%
45.0%
2.60 people
Race & ethnicity · 2024
2024
White, non-Hispanic90.6%(2,419)
Black1%(28)
Hispanic / Latino2.4%(64)
Asian2.2%(59)
Other3.8%(101)
22
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.6
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
LOWEST8TH 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 21757?

ZIP code 21757 has about 2,671 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21757?

The typical household in ZIP code 21757 earns about $100,500 a year. Half of households make more than that, and half make less.

Is ZIP code 21757 expensive?

In ZIP code 21757, the median home is worth about $466,100, and the typical rent is about $1,408 a month.

How educated are people in ZIP code 21757?

About 29.5% of adults age 25 and over in ZIP code 21757 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21757?

About 1.7% of people in ZIP code 21757 live below the federal poverty line.

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