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ZIP CODE TABULATION AREA

20678

Maryland · 12,752 residents · 44.873 sq mi
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ZIP 20678 is significantly wealthier than the US average, with a median household income of $125,732. Population has held roughly steady since 2024. Median home value is $455,100. Among the 11 ZIP codes in Calvert County, 20678 ranks 7th by median household income.

$125,732
US average: $82,259
$455,100
US average: $376,019
30.3%
US average: 35.6%
Age, sex & households
Under 18
20.4%
Age 65+
17.2%
50.9%
49.1%
2.56 people
Race & ethnicity · 2024
2024
White, non-Hispanic66.4%(8,473)
Black14.2%(1,813)
Hispanic / Latino7.6%(969)
Asian2.9%(365)
Other8.9%(1,132)
Diversity Score65.5%(8,350)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Calvert County
Income rank vs other ZIPs
LOWEST7TH OF 11HIGHEST
Adjacent ZIPs
20629$87,389
20639$161,422
20657$115,748
Frequently asked

How many people live in ZIP code 20678?

ZIP code 20678 has about 12,752 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20678?

The typical household in ZIP code 20678 earns about $125,732 a year. Half of households make more than that, and half make less.

Is ZIP code 20678 expensive?

In ZIP code 20678, the median home is worth about $455,100, and the typical rent is about $1,388 a month.

How educated are people in ZIP code 20678?

About 30.3% of adults age 25 and over in ZIP code 20678 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20678?

About 7.5% of people in ZIP code 20678 live below the federal poverty line.

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