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ZIP CODE TABULATION AREA

21821

Maryland · 797 residents · 14.735 sq mi
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ZIP 21821 has notably lower household income than the US average, with a median household income of $60,341. Population has held roughly steady since 2024. 11% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $188,200. With a median age of 46.0, the population is older than the US median of 38.9. Among the 7 ZIP codes in Somerset County, 21821 ranks 5th by median household income.

$60,341
US average: $82,259
$188,200
US average: $376,019
11.0%
US average: 35.6%
Age, sex & households
Under 18
12.4%
Age 65+
30.0%
44.5%
55.5%
2.13 people
Race & ethnicity · 2024
2024
White, non-Hispanic93.5%(745)
Black0%(0)
Hispanic / Latino6%(48)
Asian0%(0)
Other0.5%(4)
Diversity Score15.3%(122)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Somerset County
Income rank vs other ZIPs
LOWEST5TH OF 7HIGHEST
Adjacent ZIPs
21817$55,720
21824$90,288
21838$88,438
21853$69,697
Frequently asked

How many people live in ZIP code 21821?

ZIP code 21821 has about 797 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21821?

The typical household in ZIP code 21821 earns about $60,341 a year. Half of households make more than that, and half make less.

Is ZIP code 21821 expensive?

In ZIP code 21821, the median home is worth about $188,200, and the typical rent is about $1,615 a month.

How educated are people in ZIP code 21821?

About 11.0% of adults age 25 and over in ZIP code 21821 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21821?

About 19.2% of people in ZIP code 21821 live below the federal poverty line.

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