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ZIP CODE TABULATION AREA

20618

Maryland · 1,705 residents · 7.583 sq mi
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ZIP 20618 is wealthier than most US places, with a median household income of $105,508. Population has held roughly steady since 2024. 17% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $355,000. With a median age of 52.0, the population is older than the US median of 38.9. Among the 17 ZIP codes in St. Mary's County, 20618 ranks 13th by median household income.

$105,508
US average: $82,259
$355,000
US average: $376,019
16.6%
US average: 35.6%
Age, sex & households
Under 18
14.3%
Age 65+
31.6%
45.3%
54.7%
2.52 people
Race & ethnicity · 2024
2024
White, non-Hispanic56.2%(958)
Black40.7%(694)
Hispanic / Latino2.8%(47)
Asian0%(0)
Other0.4%(6)
Diversity Score64.7%(1,104)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within St. Mary's County
Income rank vs other ZIPs
LOWEST13TH OF 17HIGHEST
Adjacent ZIPs
20606$88,262
20609$118,102
20619$119,432
20620$165,972
Frequently asked

How many people live in ZIP code 20618?

ZIP code 20618 has about 1,705 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20618?

The typical household in ZIP code 20618 earns about $105,508 a year. Half of households make more than that, and half make less.

Is ZIP code 20618 expensive?

In ZIP code 20618, the median home is worth about $355,000, and the typical rent is about $1,905 a month.

How educated are people in ZIP code 20618?

About 16.6% of adults age 25 and over in ZIP code 20618 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20618?

About 3.1% of people in ZIP code 20618 live below the federal poverty line.

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