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ZIP CODE TABULATION AREA

21048

Maryland · 10,481 residents · 27.258 sq mi
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ZIP 21048 is significantly wealthier than the US average, with a median household income of $131,921. Population has held roughly steady since 2024. 47% of adults hold a bachelor's degree or higher. Median home value is $459,000. Poverty is rare here, at 1.9% of residents. Among the 9 ZIP codes in Carroll County, 21048 ranks 4th by median household income.

$131,921
US average: $82,259
$459,000
US average: $376,019
47.3%
US average: 35.6%
Age, sex & households
Under 18
20.7%
Age 65+
17.4%
53.1%
46.9%
2.81 people
Race & ethnicity · 2024
2024
White, non-Hispanic86.7%(9,088)
Black1%(102)
Hispanic / Latino3.7%(393)
Asian4.4%(458)
Other4.2%(440)
Diversity Score30.4%(3,183)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Carroll County
Income rank vs other ZIPs
LOWEST4TH OF 9HIGHEST
Adjacent ZIPs
21074$108,536
21102$135,069
21157$104,966
21158$109,827
Frequently asked

How many people live in ZIP code 21048?

ZIP code 21048 has about 10,481 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21048?

The typical household in ZIP code 21048 earns about $131,921 a year. Half of households make more than that, and half make less.

Is ZIP code 21048 expensive?

In ZIP code 21048, the median home is worth about $459,000.

How educated are people in ZIP code 21048?

About 47.3% of adults age 25 and over in ZIP code 21048 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21048?

About 1.9% of people in ZIP code 21048 live below the federal poverty line.

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