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ZIP CODE TABULATION AREA

20670

Maryland · 2,046 residents · 9.35 sq mi
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ZIP 20670 is home to 2,046 people in St. Mary's County. This skews young, with a median age of 22.9. 0% of homes are owner-occupied. Getting to work takes 8 minutes on average. That trails the St. Mary's County median by roughly 41%. Poverty is uncommon here, at 0.0% of people in this ZIP code. Among the 17 ZIP codes in St. Mary's County, 20670 ranks 17th by median household income.

$70,371
US average: $82,259
$25,143
US average: $44,673
29.8%
US average: 35.6%
Land area
9.35 sq mi
Age, sex & households
Under 18
33.5%
Age 65+
0.7%
55.4%
44.6%
3.52 people
Race & ethnicity · 2024
2024
White, non-Hispanic52.6%(1,077)
Black21.6%(442)
Hispanic / Latino12.1%(247)
Asian2.3%(47)
Other11.4%(233)
81
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Affordability & inequality
Within St. Mary's County
Income rank vs other ZIPs
LOWEST17TH 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 20670?

ZIP code 20670 has about 2,046 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20670?

The typical household in ZIP code 20670 earns about $70,371 a year. Half of households make more than that, and half make less.

Is ZIP code 20670 expensive?

In ZIP code 20670, the typical rent is about $2,292 a month.

How educated are people in ZIP code 20670?

About 29.8% of adults age 25 and over in ZIP code 20670 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20670?

About 0.0% of people in ZIP code 20670 live below the federal poverty line.

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