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ZIP CODE TABULATION AREA

21078

Maryland · 20,030 residents · 30.101 sq mi
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ZIP 21078 is wealthier than most US places, with a median household income of $106,667. Population has held roughly steady since 2024. Median home value is $385,600. With a median age of 46.8, the population is older than the US median of 38.9. Among the 20 ZIP codes in Harford County, 21078 ranks 13th by median household income.

$106,667
US average: $82,259
$385,600
US average: $376,019
41.6%
US average: 35.6%
Age, sex & households
Under 18
18.9%
Age 65+
22.9%
47.0%
53.0%
2.34 people
Race & ethnicity · 2024
2024
White, non-Hispanic69.3%(13,877)
Black16.6%(3,331)
Hispanic / Latino5.4%(1,089)
Asian2.5%(505)
Other6.1%(1,228)
Diversity Score60.6%(12,143)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Harford County
Income rank vs other ZIPs
LOWEST13TH 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 21078?

ZIP code 21078 has about 20,030 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21078?

The typical household in ZIP code 21078 earns about $106,667 a year. Half of households make more than that, and half make less.

Is ZIP code 21078 expensive?

In ZIP code 21078, the median home is worth about $385,600, and the typical rent is about $1,433 a month.

How educated are people in ZIP code 21078?

About 41.6% of adults age 25 and over in ZIP code 21078 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21078?

About 8.5% of people in ZIP code 21078 live below the federal poverty line.

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