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ZIP CODE TABULATION AREA

21791

Maryland · 5,340 residents · 46.04 sq mi
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ZIP 21791 is wealthier than most US places, with a median household income of $93,015. Population has held roughly steady since 2024. Median home value is $379,800. Poverty is rare here, at 5.1% of residents. Among the 26 ZIP codes in Frederick County, 21791 ranks 23rd by median household income.

$93,015
US average: $82,259
$379,800
US average: $376,019
26.7%
US average: 35.6%
Age, sex & households
Under 18
24.5%
Age 65+
19.2%
50.7%
49.3%
2.71 people
Race & ethnicity · 2024
2024
White, non-Hispanic93.4%(4,989)
Black1.8%(95)
Hispanic / Latino1.1%(59)
Asian2.7%(144)
Other1%(53)
Diversity Score15.7%(840)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Frederick County
Income rank vs other ZIPs
LOWEST23RD 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 21791?

ZIP code 21791 has about 5,340 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21791?

The typical household in ZIP code 21791 earns about $93,015 a year. Half of households make more than that, and half make less.

Is ZIP code 21791 expensive?

In ZIP code 21791, the median home is worth about $379,800, and the typical rent is about $1,457 a month.

How educated are people in ZIP code 21791?

About 26.7% of adults age 25 and over in ZIP code 21791 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21791?

About 5.1% of people in ZIP code 21791 live below the federal poverty line.

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