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ZIP CODE TABULATION AREA

20620

Maryland · 1,115 residents · 4.29 sq mi
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ZIP 20620 is home to 1,115 people in St. Mary's County. Owners hold 96% of the housing stock. The median household earns $165,972, about 102% above the national median. Households here earn about 39% more than in St. Mary's County as a whole. About 25% of adults have finished a four-year degree. 5% of residents were born outside the United States. Among the 17 ZIP codes in St. Mary's County, 20620 ranks 5th by median household income.

$165,972
US average: $82,259
$57,323
US average: $44,673
$391,300
US average: $376,019
24.9%
US average: 35.6%
Land area
4.29 sq mi
Age, sex & households
Under 18
6.3%
Age 65+
3.1%
51.6%
48.4%
2.86 people
Race & ethnicity · 2024
2024
White, non-Hispanic64.4%(718)
Black3.8%(42)
Hispanic / Latino28.9%(322)
Asian0%(0)
Other3%(33)
62
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
2.4
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within St. Mary's County
Income rank vs other ZIPs
LOWEST5TH OF 17HIGHEST
Adjacent ZIPs
20606$88,262
20609$118,102
20618$105,508
20619$119,432
Frequently asked

How many people live in ZIP code 20620?

ZIP code 20620 has about 1,115 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20620?

The typical household in ZIP code 20620 earns about $165,972 a year. Half of households make more than that, and half make less.

Is ZIP code 20620 expensive?

In ZIP code 20620, the median home is worth about $391,300.

How educated are people in ZIP code 20620?

About 24.9% of adults age 25 and over in ZIP code 20620 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20620?

About 4.9% of people in ZIP code 20620 live below the federal poverty line.

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