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ZIP CODE TABULATION AREA

21866

Maryland · 81 residents · 0.12 sq mi
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ZIP 21866 is a ZIP code of 81 people in Somerset County. At a median age of 60.6, this is an older place than the country as a whole. 5% of adults hold a bachelor's degree, below the 36% national rate. 100% of homes are owner-occupied. Households here earn about 47% more than in Somerset County as a whole. 100% were living in the same home a year earlier. Among the 7 ZIP codes in Somerset County, 21866 ranks 1st by median household income.

$95,250
US average: $82,259
$58,337
US average: $44,673
$177,500
US average: $376,019
4.9%
US average: 35.6%
Land area
0.12 sq mi
Age, sex & households
Under 18
0.0%
Age 65+
23.5%
64.2%
35.8%
1.53 people
Race & ethnicity · 2024
2024
White, non-Hispanic88.9%(72)
Black4.9%(4)
Hispanic / Latino6.2%(5)
Asian0%(0)
Other0%(0)
25
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
1.9
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Affordability & inequality
Within Somerset County
Income rank vs other ZIPs
LOWEST1ST OF 7HIGHEST
Adjacent ZIPs
21817$55,720
21821$60,341
21824$90,288
21838$88,438
Frequently asked

How many people live in ZIP code 21866?

ZIP code 21866 has about 81 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 21866?

The typical household in ZIP code 21866 earns about $95,250 a year. Half of households make more than that, and half make less.

Is ZIP code 21866 expensive?

In ZIP code 21866, the median home is worth about $177,500.

How educated are people in ZIP code 21866?

About 4.9% of adults age 25 and over in ZIP code 21866 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 21866?

About 18.5% of people in ZIP code 21866 live below the federal poverty line.

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