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ZIP CODE TABULATION AREA

21794

Maryland · 2,192 residents · 8.16 sq mi
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With 2,192 people, ZIP 21794 is a ZIP code in Howard County. Median household income runs $231,466, well clear of the $82,259 US median. Median home value sits at $999,400. 66% of adults hold a bachelor's degree, against 36% nationally. Owners hold 100% of the housing stock. That is roughly 55% ahead of the Howard County median. Among the 20 ZIP codes in Howard County, 21794 ranks 6th by median household income.

Population
2,192
Median income
$231,466
US average: $82,259
Per capita income
$88,649
US average: $44,673
Median home value
$999,400
US average: $376,019
Bachelor's+
66.1%
US average: 35.6%
Land area
8.16 sq mi
Age, sex & households
Median age
43.4
Under 18
24.5%
Age 65+
16.9%
Male
50.5%
Female
49.5%
Avg household
3.29 people
Race & ethnicity · 2024
2024
White, non-Hispanic78.6%(1,722)
Black4%(88)
Hispanic / Latino0.4%(8)
Asian15.1%(332)
Other1.9%(42)
Diversity Score
45
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
Owner-occupied
99.5%
Renter-occupied
0.5%
Median year built
1994
Afford Score
4.3
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Howard County
Income rank vs other ZIPs
LOWEST6TH OF 20HIGHEST
Adjacent ZIPs
20701$85,594
20723$138,113
20759$250,001
20763$76,842
Frequently asked

How many people live in ZIP code 21794?

ZIP code 21794 has about 2,192 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21794?

The typical household in ZIP code 21794 earns about $231,466 a year. Half of households make more than that, and half make less.

Is ZIP code 21794 expensive?

In ZIP code 21794, the median home is worth about $999,400.

How educated are people in ZIP code 21794?

About 66.1% of adults age 25 and over in ZIP code 21794 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21794?

About 2.2% of people in ZIP code 21794 live below the federal poverty line.

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Containing area
Howard County

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