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ZIP CODE TABULATION AREA

20690

Maryland · 1,077 residents · 1.65 sq mi
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ZIP 20690 is a ZIP code of 1,077 people in St. Mary's County. At a median age of 45.7, this is an older place than the country as a whole. The average commute runs 40 minutes. 2% of people in this ZIP code were born outside the United States. Households take in $122,750 a year at the median, 49% more than the country as a whole. Owners hold 75% of the housing stock. Among the 17 ZIP codes in St. Mary's County, 20690 ranks 9th by median household income.

$122,750
US average: $82,259
$55,799
US average: $44,673
$379,700
US average: $376,019
39.0%
US average: 35.6%
Land area
1.65 sq mi
Age, sex & households
Under 18
19.4%
Age 65+
26.4%
50.7%
49.3%
2.24 people
Race & ethnicity · 2024
2024
White, non-Hispanic92.6%(997)
Black0%(0)
Hispanic / Latino5.2%(56)
Asian0.8%(9)
Other1.4%(15)
18
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.1
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
LOWEST9TH 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 20690?

ZIP code 20690 has about 1,077 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20690?

The typical household in ZIP code 20690 earns about $122,750 a year. Half of households make more than that, and half make less.

Is ZIP code 20690 expensive?

In ZIP code 20690, the median home is worth about $379,700, and the typical rent is about $1,412 a month.

How educated are people in ZIP code 20690?

About 39.0% of adults age 25 and over in ZIP code 20690 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20690?

About 9.3% of people in ZIP code 20690 live below the federal poverty line.

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