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ZIP CODE TABULATION AREA

21755

Maryland · 5,909 residents · 34.3 sq mi
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With 5,909 people, ZIP 21755 is a ZIP code in Frederick County. Owners hold 87% of the housing stock. Median household income runs $137,417, well clear of the $82,259 US median. About 47% of adults have finished a four-year degree. The median age is 43.2, about 4 years above the US median. The typical home is worth $529,600. Among the 26 ZIP codes in Frederick County, 21755 ranks 12th by median household income.

$137,417
US average: $82,259
$62,001
US average: $44,673
$529,600
US average: $376,019
46.8%
US average: 35.6%
Land area
34.3 sq mi
Age, sex & households
Under 18
20.3%
Age 65+
19.5%
50.2%
49.8%
2.76 people
Race & ethnicity · 2024
2024
White, non-Hispanic79.6%(4,703)
Black4.2%(246)
Hispanic / Latino12.5%(740)
Asian1.7%(101)
Other2%(119)
44
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 Frederick County
Income rank vs other ZIPs
LOWEST12TH OF 26HIGHEST
Adjacent ZIPs
21701$106,577
21702$106,983
21703$106,334
21704$161,063
Frequently asked

How many people live in ZIP code 21755?

ZIP code 21755 has about 5,909 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21755?

The typical household in ZIP code 21755 earns about $137,417 a year. Half of households make more than that, and half make less.

Is ZIP code 21755 expensive?

In ZIP code 21755, the median home is worth about $529,600, and the typical rent is about $1,265 a month.

How educated are people in ZIP code 21755?

About 46.8% of adults age 25 and over in ZIP code 21755 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21755?

About 9.0% of people in ZIP code 21755 live below the federal poverty line.

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