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ZIP CODE TABULATION AREA

21771

Maryland · 33,031 residents · 89.5 sq mi
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ZIP 21771 is a ZIP code of 33,031 people in Frederick County. Owners hold 94% of the housing stock. Median household income runs $157,302, well clear of the $82,259 US median. This is an unusually credentialed place: 49% of adults have a four-year degree. Renters pay $2,252 a month at the median. Households here earn about 29% more than in Frederick County as a whole. Among the 26 ZIP codes in Frederick County, 21771 ranks 10th by median household income.

$157,302
US average: $82,259
$60,220
US average: $44,673
$556,200
US average: $376,019
48.8%
US average: 35.6%
Land area
89.5 sq mi
Age, sex & households
Under 18
24.2%
Age 65+
15.6%
50.6%
49.4%
2.93 people
Race & ethnicity · 2024
2024
White, non-Hispanic83.2%(27,498)
Black3.6%(1,173)
Hispanic / Latino8.3%(2,734)
Asian1.4%(472)
Other3.5%(1,154)
37
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.5
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
LOWEST10TH 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 21771?

ZIP code 21771 has about 33,031 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21771?

The typical household in ZIP code 21771 earns about $157,302 a year. Half of households make more than that, and half make less.

Is ZIP code 21771 expensive?

In ZIP code 21771, the median home is worth about $556,200, and the typical rent is about $2,252 a month.

How educated are people in ZIP code 21771?

About 48.8% of adults age 25 and over in ZIP code 21771 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21771?

About 3.1% of people in ZIP code 21771 live below the federal poverty line.

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