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ZIP CODE TABULATION AREA

21084

Maryland · 7,070 residents · 23.76 sq mi
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ZIP 21084 is significantly wealthier than the US average, with a median household income of $121,509. Population has held roughly steady since 2024. Median home value is $448,400. With a median age of 44.0, the population is older than the US median of 38.9. Poverty is rare here, at 5.7% of residents. Among the 20 ZIP codes in Harford County, 21084 ranks 8th by median household income.

$121,509
US average: $82,259
$448,400
US average: $376,019
42.9%
US average: 35.6%
Age, sex & households
Under 18
21.8%
Age 65+
25.6%
51.8%
48.2%
2.59 people
Race & ethnicity · 2024
2024
White, non-Hispanic91%(6,435)
Black0.5%(33)
Hispanic / Latino0.8%(56)
Asian3%(212)
Other4.7%(334)
Diversity Score21%(1,488)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Harford County
Income rank vs other ZIPs
LOWEST8TH OF 20HIGHEST
Adjacent ZIPs
21001$83,238
21005$125,208
21009$121,660
21010$99,410
Frequently asked

How many people live in ZIP code 21084?

ZIP code 21084 has about 7,070 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21084?

The typical household in ZIP code 21084 earns about $121,509 a year. Half of households make more than that, and half make less.

Is ZIP code 21084 expensive?

In ZIP code 21084, the median home is worth about $448,400.

How educated are people in ZIP code 21084?

About 42.9% of adults age 25 and over in ZIP code 21084 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21084?

About 5.7% of people in ZIP code 21084 live below the federal poverty line.

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